NHTSA ID Number: 10202400
Manufacturer Communication Number: PIP5824
Summary
This Preliminary information communicates a possible issue with the active fuel management rockers causing a misfire and the correction for this concern.
Condition
A 2021 vehicle equipped with a HFV6 Gen2 engine with AFM may be brought into the dealership with misfires on cylinder 2 or 5.
This could be misfire all the time or start after an AFM event that may or may not go away.
Cause
We have determined there is an issue with some rockers / SRFF’s on the vehicles within the breakpoints listed above.
Parts Information
| Description | Part Number | QTY. |
| Switching valve rocker arm | 12666601 | 4 |
| Dual Feed Hydraulic Lash Adjuster | 12690246 | 4 |
8 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
| CADILLAC | CT5 | 2021 |
| CADILLAC | XT5 | 2021 |
| CADILLAC | XT6 | 2021 |
| CHEVROLET | BLAZER | 2021 |
| CHEVROLET | CAMARO | 2021 |
| CHEVROLET | COLORADO | 2021 |
| GMC | ACADIA | 2021 |
| GMC | CANYON | 2021 |
1 Associated Document
Manufacturer Communications
Bulletin No.: PIP5824
Published date: 09/22/2021
https://www.nhtsa.gov/recalls?nhtsaId=10202400
MC-10202400-9999.pdf 100.326KB
MC-10202400-9999
Bestseller No. 1
KVAC RA003 AFM Disabler Active Fuel management AFM Disable Device Fit For GM V8 V6 Vehicles
- EASY-TO-USE Active Fuel Management Disabler – Keep your vehicle in V8 and with full power. Disable 4 cylinder mode on all GM Active Fuel Management Vehicles.
- Easy to install- Disconnect your battery. Plug the KVAC device in the diagnostic port.
- Will not reprogram factory ECU
- Full power all the time. Increased throttle response and more consistent power delivery across the entire power band.
- After plugging the device in, the blue light turned on. It's the indication of the device being connected.
Bestseller No. 2
HAIAL AFM Disabler Active Fuel Management Disabler Device RA003 Compatible with V6/V8 GM Vehicles
- AFM disabler allows your vehicle to operate in full mode every time you drive by ensuring that there is no drop in cylinders.
- The installation of this device is very easy. All you need to do is connect it to the OBD-II port. This can be found under the dashboard.
- There is a blue light on this product, once it is connected, the blue light turned on.
- It leaves the factory ECU untouched
- Fit for GM vehicles. Keep the V8 and enjoy the driving.
Bestseller No. 3
Range Technology Plug & Play AFM/DFM Active Fuel Management Disabler for GM Vehicles RA003G (Green)
- The Range AFM/DFM Disabler allows your V6 or V8 vehicle to run in full cylinder mode at all times, preventing the Active or Dynamic Fuel Management system from dropping cylinders.
- Our patented technology is the only product that will disable Active or Dynamic Fuel Management without reprogramming the factory ECU. Full power delivery all the time without factory warranty concerns.
- Range AFM/DFM Disabler keeps you in full power 100% of the time. | Simply plug into your onboard OBD-II port and it instantly begins working to eliminate the AFM/DFM system. | The power and control you need in any situation.
- The Range AFM/DFM Disabler does not reprogram your factory ECU. | Leaves no trace. Unplug it to return to factory settings | Compatible with all V6 and V8 GM active or dynamic fuel management vehicles, includes cars, trucks, and SUVs.
- Please check compatibility
SaleBestseller No. 4
Qzucar AFM/DFM Active Fuel Management Disabler Compatible with V6/V8 GM Vehicles RA003
- The Qzucar AFM/DFM Disabler allows your V6 or V8 vehicle to run in full cylinder mode at all times, preventing the Active or Dynamic Fuel Management system from dropping cylinders.
- Fast and easy setup; simply plug into your onboard OBD-II port and it instantly begins working to eliminate the AFM/DFM system.
- Keep your engine stable when cycling between half-cylinder or full-cylinder operation.
- The Qzucar AFM/DFM Disabler does not reprogram your factory ECU. Leaves no trace. Unplug it to return to factory settings.
- Compatible with V6 and V8 GM active or dynamic fuel management vehicles, includes cars, trucks, and SUVs.
Bestseller No. 5
OBDCAR RA003 AFM/DFM Disabler Active Fuel Management AFM Disable Device Compatible with V6 & V8 GM Motors
- Compatible with V6 / V8 General Motors (GM) active or dynamic fuel management vehicles, includes cars, trucks, and SUVs.
- OBDCAR AFM/ DFM Disabler allows your V6/ V8 GM vehicle to run in full cylinder mode at all times, preventing the Active or Dynamic Fuel Management system from dropping cylinders.
- Fast and easy setup; simply plug into your onboard OBD-II port and it instantly begins working to eliminate the AFM/DFM system.
- Will not reprogram your factory ECU, unplug it to return to factory settings.
- Please confirm the compatibility before ordering it.
Bestseller No. 6
RA003 Active Fuel Management Disabler Device, AFM/DFM Disabler Device Compatible with most GM V6 and V8 Vehicles
- 1.AFM/DFM Disabler Device RA003 Compatible with most GM V6 and V8 vehicles.
- 2.AFM RA003 keeps the vehicle in the V8 mode all the time，help your car get super power.
- 3. Plug and play, install without any tools.Please unplug the product,when you do not use this for a long time.
- 4. Keep the factory ECU, not programming the ECU of the vehicle, and does not affect other functions of the vehicle, but the modified vehicle is cautious to buy.
- 5. Please note: V8 mode will keep all the cylinder running, the water temperature may increase during driving. The product currently not compatible with 2019+ 5.3L 10-Speed or 6.2L 10-SPEED models.
Bestseller No. 7
Qzucar Active Fuel Management Disable Device AFM Disable Device RA003
- Keep your vehicle in V8 mode! Disable 4-cylinder mode on all GM active fuel management vehicles. Full Power all the time.
- Plugs into diagnostic port with no tools needed. Simply plug into your onboard OBD-II port and it instantly begins working to eliminate the AFM system.
- Does not reprogram factory ECU. Leaves no trace. Unplug it to return to factory settings.
- Please disconnect your battery before installing.
- Power to the people. Increased throttle response and more consistent power delivery across the entire power band.
Bestseller No. 8
OBDCAR AFM DFM Disabler Active Fuel Management AFM Disable Device Compatible with V6 & V8 GM Vehicles RA003
- Keeps you in full power 100% of the time, no more shuddering or dropping cylinders.
- Compatible with V6 / V8 General Motors (GM) active or dynamic fuel management vehicles, includes cars, trucks, and SUVs.
- OBDCAR AFM/ DFM Disabler allows your V6/ V8 GM vehicle to run in full cylinder mode at all times, preventing the Active or Dynamic Fuel Management system from dropping cylinders.
- Fast and easy setup; simply plug into your onboard OBD-II port and it instantly begins working to eliminate the AFM/DFM system.
- Will not reprogram your factory ECU, unplug it to return to factory settings.
Bestseller No. 9
ECUOBD AFM Disabler DFM Disabler Active Fuel Management Compatible with V6/ V8 GM Engine
- Keeps your car in full cylinder mode all the time, no more shuddering or dropping cylinders.
- Compatible with V6 / V8 General Motors (GM) active or dynamic fuel management vehicles, includes cars, trucks, and SUVs.
- No installation required, simply plug into your onboard OBD-II port and it instantly begins working to eliminate the AFM/ DFM system.
- NOT compatible with 2019+ Silverado and Sierra models equipped with 5.3L / 6.2L motors and 10-speed transmissions.
- Will not reprogram the factory ECU.
Bestseller No. 10
HHQ AFM Disabler 2022 New Technology Active Fuel Management Disabler Compatible with V6 & V8 GM Motors
- AFM/DFM Disabler keeps you in full power 100% of the time. Simply plug into your onboard OBD-II port and it instantly begins working to eliminate the AFM system
- Leaves no Trace - Unplug it to return to factory settings. This AFM Disabler does not reprogram your factory ECU. Full power delivery all the time without factory warranty concerns
- Fits all V6 & V8 General Motors (GM) active or dynamic fuel management vehicles, includes cars, trucks & SUVs
- Note: This AFM Disabler is not currently compatible with 2019+ 5.3L 10-speed or 6.2L 10-speed models, and keep V8 may cause excessive water temperature in some car
- Buy with confidence - Our promise: Free return within 6 months if the AFM DFM disabler not working properly
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