Gm dtc c0472

Detailed repair manual for the 2005 Chevy Truck Silverado 1500 2WD V6-4.3L VIN X. Operation CHARM: ... DTC C0472 or C0473 Circuit Description The Steering Wheel Position Sensor (SWPS) provides one analog signal and 3 digital signals. The digital signals, Phase A, Phase B and marker pulse, are direct inputs to the rear wheel steering …

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DTC C0455: PDF tech doc: DTC C0472 or C0473: PDF tech doc: DTC C0522: PDF tech doc: DTC C0527: PDF tech doc: DTC C0532: PDF tech doc: DTC C0533: PDF tech doc: DTC C0538: PDF tech doc: DTC C0543 - Excessive Tire Spin: ... (DenaliTrucks is in no way affiliated with General Motors, the GMC brand, or any of GM's subsidiary companies) ...

C0472 DTC C0472 or C0473 Circuit Description The Steering Wheel Position Sensor (SWPS) provides one analog signal and 3 digital signals. The digital signals, Phase A, …GMC C0472 Steering Handwheel Speed Sensor Signal V Low – Car OBD Codes. Description. OBD-II Trouble Code Description for C0472 GMC. Steering Handwheel …To fix the automobile fault code p1637, you need to follow these steps: 1. Check the possible causes mentioned above. 2. Visually inspect the wiring harness and connectors related to the fault code. 3. Look for any damaged components. 4. Check for broken, bent, pushed out, or corroded pins in the connectors. 5.1. ERASE button - Erases Diagnostic Trouble Codes (DTCs) and "Freeze Frame" data from your vehicle's computer, and resets Monitor status. 2. SYSTEM MENU button – When pressed, displays the System Menu. 3. DTC/FF button – Displays the DTC View screen and/or scrolls the LCD display to view DTCs and Freeze Frame data. 4.There are two categories of DTC’s that apply to OBDII. 1. Emissions related. 2. Requests illumination of the MIL after one failed driving cycle. 3. Stores a freeze frame DTC after one failed driving cycle. 4. Emissions related. 5. Sets a Pending Trouble Code after one failed driving cycle. 6. Clears a Pending Trouble Code after one successful ... The automobile fault code u0422 has an estimated repair time of 1.0 hour. The cost of fixing this fault code varies depending on the auto repair shop, but it is common for most shops to charge between $75 and $150 per hour. Therefore, the total cost of fixing the u0422 fault code will be between $75 and $150. These factors, including the repair ... GM, which has received $15.4 billion in federal aid, faces a June 1 government deadline to complete its restructuring plan. If it can't finish in time, the …To fix the DTC C0242 OBDII code consider the following:. As a first step consult the Technical Service Bulletins.; Verify if in addition to the C0242 code there are other codes stored that refer to more specific problems with a controller. Diagnose the DTCs taking into consideration the order obtained.; Check all wiring and connectors on the Electronic …

2467 posts · Joined 2006. #1 · Oct 12, 2009. These are the GM specific OBD1 DTC codes: GM common codes for OBD1 (for vehicles made before 1995) 12 System normal. 13 oxygen sensor circuit open. 14 coolant sensor high resistance or shorted. 15 coolant sensor circuit low or open. 16 direct ignition system (DIS) fault in circuit.With the ignition switch turned On, engine Off, connect a jumper wire between terminals A and C. The "Check Engine" lamp will begin by flashing a DTC 12. DTC 12 = flash, pause, flash, flash. There will be a longer pause and a code 12 will repeat two more times. This code indicates the self-diagnostic system is operating.Jan 3, 2005 · DTC C0472 Steering Handwheel Speed Sensor Signal V Low Circuit Description The EVO/Passlock™ module receives the vehicle speed information through the vehicle control module (VCM) of the gasoline engines, or the powertrain control module (PCM) of the diesel engines, and the class 2 data line. The video focuses on the basic Chevrolet specific diagnostic error code.Contents:0:21 Basic DTC analysis according to OBD2 protocol standard.1:48 Insight int...We would like to show you a description here but the site won’t allow us.Aug 25, 2014 · The service 4WD is on. Yes you do have to take it to the dealer, This is a common problem in these trucks. This is caused by a bad encoder sensor in the shifter on the side of the transfer case. The sensor can be replaced with out having to replace the shifter assembly. THe best test is to get the code from the system.

This article will therefore deal with code P0171 as it applies specifically to GM vehicles. OBD II fault code P0171 is a generic trouble code that is defined as “System too lean – Bank 1” and is set when the PCM (Powertrain Control Module) detects an air/fuel mixture that is too lean on bank 1. Note that in the context of this code ...Steps for reading and clearing codes on GMC vehicles: Accessing the OBD-II Port: Locate the port, usually beneath the dashboard near the steering column, and plug the YOUCANIC scanner into the OBD-II port. Turn the ignition key to the “ON” position without starting the engine to make a connection with the vehicle’s computer.Code: P0572. Definition: Brake Switch Circuit 1 Low Voltage. Description: The engine is running. Battery voltage is greater than 11.5 V. Cause: The ECM detects a low voltage signal on the stop lamp switch signal circuit for more than 2 seconds when the serial data message from the BCM indicates the brakes are applied.C0472 - Rear Wheel Steering DTC C0472 or C0473 Circuit Description The Steering Wheel Position Sensor (SWPS) provides one analog signal and 3 digital signals. The digital signals, Phase A, Phase B and marker pulse, are direct inputs to the rear wheel steering control module.DTC C0472 Steering Position and Rate of Change Sensor Circuit Low. DTC C0473 Steering Position and Rate of Change Sensor Circuit High. Conditions for Running the DTC. The ignition is ON. Conditions for Setting the DTC. The BCM detects that the analog steering signal circuit is an open, shorted to ground or shorted to voltage.49% out and the Z danced in all 4 gears. C7 Z06 Discussion - DTC c0407!!!! - there DTC 0407 after service rear axle light.....dealer replaced actuator and reprogrammed correctly..no codes..two weeks later same service rear axle same c0407 code....they've had the car a week... waiting to speak to GM engineering ....

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DTC C0472 or C0473 Circuit Description The steering wheel position sensor is a 0.0 - 5.0 volt device which is used to sense steering wheel position and turning speed.DTC C0472 Steering Handwheel Speed Sensor Signal V Low. Circuit Description. The EVO/Passlock™ module receives the vehicle speed information …Mar 18, 2019 · 1. The steering wheel rotation sensor signal circuit voltage is less than 0.2 volts. 2. The above condition is met for 1 second. Action Taken When the DTC Sets. The EVO/Passlock module does not send any current to the PS solenoid actuator. This causes retraction of the PS solenoid actuator. GMCC0475 00 GMC DTC C0475 00 Make: GMC Code: C0475 00 Definition: Electric Steering Motor Circuit Description: Ignition ON. Cause: The PSCM detects an open, or a short to ground on any of the motor phase circuits.DTC C0472 Steering Position and Rate of Change Sensor Circuit Low. DTC C0473 Steering Position and Rate of Change Sensor Circuit High. Conditions for Running the …Apr 22, 2020 · Each module on the class 2 serial data circuit is required to send a Node Alive message every 2 seconds. When no message is detected from a learned identification number for 5 seconds, a Diagnostic Trouble Code (DTC) U1041 is set. U1041 Chevrolet Code - Lost Communications With Electronic Brake Control Module.

Home GMCU0140 GMC DTC U0140 Make: GMC Code: U0140 Definition: Lost Communication With Body Control Module Description: Voltage supplied to the modules is in the normal operating voltage range. The vehicle power mode requires serial data communication to occur. Cause: A poor connection at the inoperative module may cause this code to set.Does the information indicate a DTC C0472 or C0473 is present? -- Go to DTC C0472 or C0473 Go to Step 4 4 1. Center the steering wheel. 2. Turn OFF the ignition. 3. Wait 10 seconds. 4. Turn ON the ignition, with the engine OFF. 5. Rotate the steering wheel 90 degrees left and right. 6. Monitor the DTC information in the rear wheel steering ...The GM Family First Program is a discount program for General Motors employees and their families. The discount is applicable toward the purchase of Buick, Chevrolet, Cadillac or G...Mar 21, 2024 · Connect an OBD2 Scanner and look for related trouble codes. Repair any trouble codes related to the ignition or fuel first. Check the live data to see the front and read the O2 sensor voltage signals. The car engine should be scorching and the front sensor should fluctuate between 0–1 volts, and the rear should be steady at 0.7–0.9 volts. These are the GM trouble code definitions for enhance trouble codes. P1031 HO2S Heater Current Monitor Control Circuit Sensors 1. P1032 HO2S Heater Warm Up Control Circuit Sensors 1. P1105 Secondary Vacuum Sensor Circuit. P1106 MAP Sensor Circuit Intermittent High Voltage. P1107 MAP Sensor Circuit Intermittent Low Voltage.GM revealed Wednesday a new electric architecture that will be the foundation of the automaker’s future EV plans and support a wide range of products across its brands, including c...This article will therefore deal with code P0300 as it applies specifically to GM vehicles. OBD II fault code P0300 is a generic trouble code that is defined as “Random/multiple cylinders – misfire detected” and is set when the PCM (Powertrain Control Module) detects misfires on random or multiple cylinders. Note that while the PCM has ...The Hummer H3 comes standard with the Homelink system. This system consists of a transmitter and a small control panel that you can program to your home's garage door. This allows ...

Aug 25, 2014 · SOURCE: gmc yukon 2001 dtc code po404 P0404 is Exhaust Gas Recirculation range/performance. This is usually due to the EGR valve moving slower then it should (sticking). You can try to clean it (the rod will need to move freely and don't spin the rod, it will damage the valve, just move it up and down) but if it doesn't work out then look for price and availability for a new

Does the information indicate a DTC C0472 or C0473 is present?-Go to DTC C0472 or C0473 Go to Step 4 4 1. Center the steering wheel. 2. Turn OFF the ignition. 3. Wait 10 seconds. 4. 5. Turn ON the ignition, with the engine OFF. Rotate the steering wheel 90 degrees left and right. 6. Monitor the DTC information in the rear wheel steering control ...Messages. 37. Location. Lexington, SC. Sep 24, 2009. #1. OK guys. I know that this has been discussed up one side and down the other, but I have tried all that I have read about and I still am getting the "P0442 (M) Evap Leak Monitor Medium (0.040) Leak Detected A small leak has been detected in the evaporative system" code in my '02.Nearly 50,000 walked off the job in the biggest action by UAW workers in more than decade. The union is seeking higher pay and wants GM to keep more US plants open. Nearly 50,000 U...Home GMCP0751 GMC DTC P0751 Make: GMC Code: P0751 Definition: Shift Solenoid (SS) 1 Valve Performance - Stuck Off Description: P0751 Engine speed is greater than 200 RPM. Shift solenoid 1 (SS1) is commanded ON. Cause: SS1 is commanded ON and PS1 remains OFF for 5 to 12 seconds depending on the transmission fluid temperature. Related Service ...1993 Chevy blazer 1500 have fuel but no spark. Distributor cap and rotor replaced, plugs and wires, ignition coil and ignition cylinder all new within a year. ... TCC solenoid, transmission mechanical fault, ECM”. 81 and 82 is ” Wiring, SS, ECM”. On the previous chart on the other page it did show a 67 and said, “Wiring, SS, ECM”. I ...According to the GM service bulletin, in some 2011-2013 Chevy, Buick and Cadillac vehicles the code P0442 might be caused by the leaking EVAP Vent Solenoid (CVS). The vent solenoid must be tested under vacuum and replaced if leaking. Another GM service bulletin 02-06-04-037J for Chevy Silverado / GMC Sierra recommends replacing the …

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Truck runs fine with no drivability issues. -CEL came on last week, bought the $20 Scan Tool theholycow posted. Also have a Kiwi coming in in a few days. -Scanned my truck this morning, got the following codes: P0300 - Multiple Cylinder Misfire. P0442 - Evap System Leak. Similarities I see between the two are an Evap System Leak & EGR …In recent years, the automotive industry has witnessed a significant shift towards electric and autonomous vehicles. One company that has been at the forefront of this revolution i...The first GM PassLock antitheft system was introduced in the mid-1990s. It prevents the car from starting with the wrong ignition key. Problems do occur with the PassLock system wh...Apr 22, 2020 · Each module on the class 2 serial data circuit is required to send a Node Alive message every 2 seconds. When no message is detected from a learned identification number for 5 seconds, a Diagnostic Trouble Code (DTC) U1041 is set. U1041 Chevrolet Code - Lost Communications With Electronic Brake Control Module. Has anyone ever pulled this code? B1026: Driver Deployment Loop Open. My guess is that there is a bad connection in the drivers side airbag. I'm Going to first …To find a particular bank’s Depository Trust Company number, access the DTC member directory on the DTCC website. Access the numbers at no charge, filtering the results alphabetica...B0015 04 GMC Diagnostic Trouble Code (DTC) Definition, Causes and Diagnosis ... GMC DTC B0015 04 Make: GMC Code: B0015 04 Definition: Driver Seat Belt Retractor Pretensioner Deployment Loop Open Circuit Description: Ignition voltage is between 9-16 V. Cause: B0014 04, B0015 04, B0016 04, B0019 04, B0020 04, B0021 04, B0022 04, …Definition of check engine code C0472: GM: Steering position & rate of change sensor circuit #1 low ... Homepage / Trouble Codes / C0472. C0472 By John Smith Posted ...What are the Possible Causes of the DTC C0262? NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes. Faulty Transmission Control Module (TCM) Transmission Control Module (TCM) harness is open or shorted. Transmission Control Module (TCM) circuit poor electrical connection ...A condition that sets a BCM DTC C0472 or C0473 is present. The marker pulse signal was low at less than +/-10 degrees of steering wheel angle and the steering wheel angle has …The code P0672 tells you that something in the glow plug circuit is faulty causing the glow plug on cylinder #2 to fail to heat up. The entire circuit must be checked to locate the fault. Note: If a P0670 trouble code is present along with this DTC, carry out P0670 diagnosis before diagnosing this code. ….

SEOCONTENT-START. Bulletin No.: PIT5674B Published date: 04/12/2021 Preliminary Information PIT5674B DTC C116C and/or C116B After Installation of GM Accessory Performance Brake Pads Models Brand: Chevrolet GMC Model: Silverado 1500 (New Model) Sierra 1500 (New Model) Model Years: 2019 – 2021 2019 – 2021 VIN: from to All All All All Engine: All All Transmissions: All All Involved Region or ...Detailed repair manual for the 2004 GMC Truck Sierra 1500 4WD V8-5.3L VIN T. Operation CHARM: ... >> Testing and Inspection >> C Code Charts >> C0473. C0473 DTC C0472 or C0473 Test 1-11: Test 12-15: Circuit Description The steering wheel position sensor (SWPS) provides one analog signal and 3 digital signals. The digital signals, Phase A, Phase ...The Hummer H3 comes standard with the Homelink system. This system consists of a transmitter and a small control panel that you can program to your home's garage door. This allows ... Detailed repair manual for the 2004 GMC Truck Sierra 1500 4WD V8-5.3L VIN T. Operation CHARM : Car repair manuals for everyone. Home >> GMC Truck >> 2004 >> Sierra 1500 4WD V8-5.3L VIN T >> Repair and Diagnosis >> A L L Diagnostic Trouble Codes ( DTC ) >> Testing and Inspection >> C Code Charts >> C0472 1. ERASE button - Erases Diagnostic Trouble Codes (DTCs) and "Freeze Frame" data from your vehicle's computer, and resets Monitor status. 2. SYSTEM MENU button – When pressed, displays the System Menu. 3. DTC/FF button – Displays the DTC View screen and/or scrolls the LCD display to view DTCs and Freeze Frame data. 4.39 posts · Joined 2012. #1 · Mar 8, 2013. I have recently noticed that my check engine light has come in my 2007 duramax. I have a Hypertech tuner, which I used to diagnose the DTC and it reports p0402-exhaust gas recirculation flow excessive detected. I used the hypertech to clear the code and the truck has never acted as anything is wrong ...This diagnostic trouble code (DTC) is a generic powertrain code. It is considered generic because it applies to all makes and models of vehicles (1996-newer), although specific repair steps may be slightly different depending on the model. ... 2008 Chevy Silverado 2500 Code P0678 Okay so I have a 2008 Chevy Silverado 2500. With a P0678 code …There are two categories of DTC’s that apply to OBDII. 1. Emissions related. 2. Requests illumination of the MIL after one failed driving cycle. 3. Stores a freeze frame DTC after one failed driving cycle. 4. Emissions related. 5. Sets a Pending Trouble Code after one failed driving cycle. 6. Clears a Pending Trouble Code after one successful ...Equip your facility with MDI2 to help properly diagnose GM vehicles. MDI2 is a GM Global Diagnostic Interface tool for both current and future GM vehicles that operates with Techline Connect to communicate with a GM vehicle. MDI2 Features Include: Wireless connection. High-speed USB 2.0 connection.July 12, 2022 by Jason. C0040 is a chassis trouble code that occurs in the GMC Sierra. GM designated C0040 to indicate an issue with the right front wheel speed sensor. Replacing your Sierra’s right front wheel speed sensor is the most common repair for C0040, but it’s not the only one. Wiring harness issues are common with this code. Gm dtc c0472, DTC C0472 Steering Handwheel Speed Sensor Signal V Low Circuit Description The EVO/Passlock™ module receives the vehicle speed information through the vehicle control module (VCM) of the gasoline engines, or the powertrain control module (PCM) of the diesel engines, and the class 2 data line., Aug 25, 2014 · SOURCE: gmc yukon 2001 dtc code po404 P0404 is Exhaust Gas Recirculation range/performance. This is usually due to the EGR valve moving slower then it should (sticking). You can try to clean it (the rod will need to move freely and don't spin the rod, it will damage the valve, just move it up and down) but if it doesn't work out then look for price and availability for a new , Each module on the class 2 serial data circuit is required to send a Node Alive message every 2 seconds. When no message is detected from a learned identification number for 5 seconds, a Diagnostic Trouble Code (DTC) U1041 is set. U1041 Chevrolet Code - Lost Communications With Electronic Brake Control Module., Definition of check engine code C0472: GM: Steering position & rate of change sensor circuit #1 low ... Homepage / Trouble Codes / C0472. C0472 By John Smith Posted ..., Detailed repair manual for the 2005 Chevy Truck Silverado 1500 2WD V8-5.3L VIN B. Operation CHARM: ... DTC C0472 or C0473 Circuit Description The Steering Wheel Position Sensor (SWPS) provides one analog signal and 3 digital signals. The digital signals, Phase A, Phase B and marker pulse, are direct inputs to the rear wheel steering …, Steps for reading and clearing codes on GMC vehicles: Accessing the OBD-II Port: Locate the port, usually beneath the dashboard near the steering column, and plug the YOUCANIC scanner into the OBD-II port. Turn the ignition key to the “ON” position without starting the engine to make a connection with the vehicle’s computer., GM is launching its own OnStar Insurance based on telematics and available to drivers of all brands of car. By clicking "TRY IT", I agree to receive newsletters and promotions from..., A leak is detected by monitoring for a decrease in the vacuum level over a given time period. A small leak in the system will cause DTC P0442 to be set. Check for the following conditions: A loose, missing, damaged, or improperly installed fuel cap. Missing or damaged O-rings at EVAP canister fuel vapor and purge line fittings., P1048. Definition: Reductant Injector High Control Circuit Low Voltage. Description: The engine is running. The battery voltage is greater than 11 V. The ECM is commanding the reductant injector duty cycle greater than 0 %. The Reductant Injection Inhibit Reason displays None. The DTCs run continuously once the above conditions are met., GMC C0472 Steering Handwheel Speed Sensor Signal V Low – Car OBD Codes. Description. OBD-II Trouble Code Description for C0472 GMC. Steering Handwheel …, 49% out and the Z danced in all 4 gears. C7 Z06 Discussion - DTC c0407!!!! - there DTC 0407 after service rear axle light.....dealer replaced actuator and reprogrammed correctly..no codes..two weeks later same service rear axle same c0407 code....they've had the car a week... waiting to speak to GM engineering ...., In this video we will be going thru a crank no start situation with a U1000 DTC and the Security lamp lit on the instrument cluster. This is a very specific... , C0472 DTC C0472 or C0473 Circuit Description The Steering Wheel Position Sensor (SWPS) provides one analog signal and 3 digital signals. The digital signals, Phase A, Phase B and marker pulse, are direct inputs to the rear wheel steering control module., 1. The steering wheel rotation sensor signal circuit voltage is less than 0.2 volts. 2. The above condition is met for 1 second. Action Taken When the DTC Sets. The EVO/Passlock module does not send any current to the PS solenoid actuator. This causes retraction of the PS solenoid actuator., C0472 DTC C0472 or C0473 Circuit Description The Steering Wheel Position Sensor (SWPS) provides one analog signal and 3 digital signals. The digital signals, Phase A, Phase B and marker pulse, are direct inputs to the rear wheel steering control module. , SOURCE: gmc yukon 2001 dtc code po404 P0404 is Exhaust Gas Recirculation range/performance. This is usually due to the EGR valve moving slower then it should (sticking). You can try to clean it (the rod will need to move freely and don't spin the rod, it will damage the valve, just move it up and down) but if it doesn't work out then …, A leak is detected by monitoring for a decrease in the vacuum level over a given time period. A small leak in the system will cause DTC P0442 to be set. Check for the following conditions: A loose, missing, damaged, or improperly installed fuel cap. Missing or damaged O-rings at EVAP canister fuel vapor and purge line fittings., The antilock brake system (ABS) is controlled by its own computer. When it senses a problem, the ABS module on the dashboard will light up. When the problem is fixed, the module wi..., Equip your facility with MDI2 to help properly diagnose GM vehicles. MDI2 is a GM Global Diagnostic Interface tool for both current and future GM vehicles that operates with Techline Connect to communicate with a GM vehicle. MDI2 Features Include: Wireless connection. High-speed USB 2.0 connection., C0379 08. Definition: Front Axle System Signal Invalid. Description: Ignition ON. System voltage 10.5-18 V. Cause: The TCCM monitors the front axle switch signal circuit and the front axle actuator control circuit for unexpected voltages. The DTC sets if the TCCM detects a high voltage when a low voltage is expected, or a low voltage when a ..., General Motors has developed a self-driving car called the Cruise AV that has no steering wheel or pedals. Learn more at HowStuffWorks. Advertisement Get ready for a self-driving c..., Mar 18, 2019 · 1. The steering wheel rotation sensor signal circuit voltage is less than 0.2 volts. 2. The above condition is met for 1 second. Action Taken When the DTC Sets. The EVO/Passlock module does not send any current to the PS solenoid actuator. This causes retraction of the PS solenoid actuator. , The automobile fault code u0422 has an estimated repair time of 1.0 hour. The cost of fixing this fault code varies depending on the auto repair shop, but it is common for most shops to charge between $75 and $150 per hour. Therefore, the total cost of fixing the u0422 fault code will be between $75 and $150. These factors, including the repair ..., Jan 3, 2005 · DTC C0472 Steering Handwheel Speed Sensor Signal V Low Circuit Description The EVO/Passlock™ module receives the vehicle speed information through the vehicle control module (VCM) of the gasoline engines, or the powertrain control module (PCM) of the diesel engines, and the class 2 data line. , This diagnostic trouble code (DTC) is a generic powertrain code. It is considered generic because it applies to all makes and models of vehicles (1996-newer), although specific repair steps may be slightly different depending on the model. ... 2002 GM denali p0101, p0300, p0420, p0446, p0452 I installed a new fuel pump about 3 months ago. Wife ..., P1048. Definition: Reductant Injector High Control Circuit Low Voltage. Description: The engine is running. The battery voltage is greater than 11 V. The ECM is commanding the reductant injector duty cycle greater than 0 %. The Reductant Injection Inhibit Reason displays None. The DTCs run continuously once the above conditions are met., Just a quick tip for Chevy and GMC Trucks and SUV owners including Chevy Silverado, Tahoe, GMC Sierra, Yukon and others experiencing a no 4x4 condition and/o..., Reviews, rates, fees, and rewards details for The GM Business Card™. Compare to other cards and apply online in seconds Excellent Credit, Good Credit $0 Get the business card that ..., Testing and repair of the Power Steering EVO Handwheel / Steering Wheel Turning Speed Sensor on 1997 98 99 GM C/K trucks (Chevy & GMC & Holden) Suburban Taho..., The P0102 code is set when the Powertrain Control Module ( PCM) detects that the mass air flow (MAF) sensor frequency signal isn’t performing in the normal expected range set by the manufacturer. This trouble code indicates that there’s a low condition within the mass air flow sensor or circuit. This diagnostic trouble code (DTC) …, DTC C0472 Steering Handwheel Speed Sensor Signal V Low Circuit Description The EVO/Passlock™ module receives the vehicle speed information through the vehicle control module (VCM) of the gasoline engines, or the powertrain control module (PCM) of the diesel engines, and the class 2 data line., 49% out and the Z danced in all 4 gears. C7 Z06 Discussion - DTC c0407!!!! - there DTC 0407 after service rear axle light.....dealer replaced actuator and reprogrammed correctly..no codes..two weeks later same service rear axle same c0407 code....they've had the car a week... waiting to speak to GM engineering ...., We would like to show you a description here but the site won’t allow us.