Service bulletin PIP5621D
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10242309 |
| Published by NHTSA | 2023-09-18 |
| Manufacturer's number | PIP5621D |
| Manufacturer's date | 2023-08-24 |
| NHTSA component | POWER TRAIN |
NHTSA's summary
This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Transmission and driveline
| BUICK CASCADA | 2016, 2017, 2018, 2019 |
|---|---|
| BUICK ENCLAVE | 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 |
| BUICK ENCORE | 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 |
| BUICK ENVISION | 2016, 2017, 2018, 2019, 2020, 2021, 2022 |
| BUICK LACROSSE | 2015, 2016, 2017, 2018, 2019 |
| BUICK REGAL | 2015, 2016, 2017, 2018, 2019, 2020 |
| BUICK VERANO | 2015, 2016, 2017 |
| CADILLAC ATS | 2015, 2016, 2017, 2018, 2019 |
| CADILLAC CT4 | 2020, 2021, 2022 |
| CADILLAC CT5 | 2020, 2021, 2022 |
| CADILLAC CT6 | 2016, 2017, 2018, 2019, 2020 |
| CADILLAC CTS | 2015, 2016, 2017, 2018, 2019 |
| CADILLAC ELR | 2015, 2016 |
| CADILLAC ESCALADE | 2015, 2016, 2017, 2018, 2019, 2020 |
| CADILLAC ESCALADE | 2022 |
| CADILLAC ESCALADE ESV | 2016 (the catalog's model; the bulletin names a series or trim of it) |
| CADILLAC ESCALADE ESV | 2018, 2019 |
| CADILLAC ESCALADE NA | 2021 (the catalog's model; the bulletin names a series or trim of it) |
| CADILLAC SRX | 2015, 2016 |
| CADILLAC XT4 | 2019, 2020, 2021, 2022 |
| CADILLAC XT5 | 2017, 2018, 2019, 2020, 2021, 2022 |
| CADILLAC XT6 | 2020, 2021, 2022 |
| CADILLAC XTS | 2015, 2016, 2017, 2018, 2019 |
| CHEVROLET BLAZER | 2019, 2020, 2021, 2022 |
| CHEVROLET BOLT EV | 2017, 2018, 2019, 2020, 2021, 2022 |
| CHEVROLET CAMARO | 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 |
| CHEVROLET CAPRICE | 2015 |
| CHEVROLET CAPTIVA | 2015 |
| CHEVROLET CHEVEROLET SS | 2015 to 2017 |
| CHEVROLET CITY EXPRESS | 2015 |
| CHEVROLET COLORADO | 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 |
| CHEVROLET CORVETTE | 2015, 2016, 2017, 2018, 2019, 2020 |
| CHEVROLET CRUZE | 2015, 2016, 2017, 2018, 2019 |
| CHEVROLET EQUINOX | 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 |
| CHEVROLET EXPRESS | 2015, 2016, 2017, 2018, 2019, 2020, 2021 |
| CHEVROLET EXPRESS 4500 | 2016 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET EXPRESS CUTAWAY VAN | 2017 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET IMPALA | 2015, 2016, 2017, 2018, 2019, 2020 |
| CHEVROLET MALIBU | 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 |
| CHEVROLET SILVERADO 1500 | 2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 1500 | 2021 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 2500 | 2015, 2016, 2017, 2018, 2019, 2020 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 2500 | 2022 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 3500 | 2015 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SONIC | 2015, 2016, 2017, 2018, 2019, 2020 |
| CHEVROLET SPARK | 2015, 2016, 2017, 2018, 2019, 2020, 2021 |
| CHEVROLET SUBURBAN | 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 |
| CHEVROLET TAHOE | 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 |
| CHEVROLET TRAILBLAZER | 2019 |
| CHEVROLET TRAILBLAZER | 2021, 2022 |
| CHEVROLET TRAVERSE | 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 |
| CHEVROLET TRAX | 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 |
| CHEVROLET VOLT | 2015, 2016, 2017, 2018, 2019 |
| GMC ACADIA | 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 |
| GMC CANYON | 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 |
| GMC SAVANA | 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 |
| GMC SIERRA 1500 | 2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 1500 | 2021, 2022 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 2500 | 2015, 2016 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 2500 | 2020 (the catalog's model; the bulletin names a series or trim of it) |
| GMC TERRAIN | 2015, 2016, 2017, 2018, 2019, 2020, 2021 |
| GMC TERRAIN NA | 2022 (the catalog's model; the bulletin names a series or trim of it) |
| GMC YUKON | 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 26V289000 | 2026-05-07. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE) |
|---|---|
| 26V085000 | 2026-02-13. POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:VALVES/VALVE BODY; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE |
| 2026061 | 2026-02-12. Powertrain |
| 2026060 | 2026-02-12. Powertrain |
| 26V083000 | 2026-02-12. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:VALVES/VALVE BODY |
| 2025118 | 2025-03-06. Powertrain |
| 25V148000 | 2025-03-06. POWER TRAIN:AUTOMATIC TRANSMISSION |
| 2024679 | 2024-11-07. Powertrain |
| 24V839000 | 2024-11-07. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE |
| 2024637 | 2024-10-24. Powertrain |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| 25-NA-080 | 2025-12-03. Service bulletin. This service bulletin provides a procedure to overhaul the control valve to replace a plate and worn down check ball to correct the customers concern of No Reverse, No Shift Past Third Gear - DTC P2732 Set. |
|---|---|
| 24-NA-262 | 2025-12-03. Service bulletin. This bulletin helps aid the tech in possible 10L100 transmission noise that may be normal or abnormal depending on the concern noted. |
| 25-NA-080 | 2025-10-16. Service bulletin. This service bulletin provides a procedure to overhaul the control valve to replace a plate and worn down check ball to correct the customers concern of No Reverse, No Shift Past Third Gear - DTC P2732 Set. |
| 23-NA-119 | 2025-10-16. Service bulletin. This service bulletin provides service procedure information to correct a customer concern of Shift to Park Displayed on DIC When Vehicle is in- Park, No Start - DTC B000A Set. |
| N242454441 -03 | 2025-10-09. Service campaign. Certain vehicles listed above, may have a condition where the transmission control valve has worn, resulting in a gradual loss of pressure within the valve. The effects can cause harsh shifting, setting a service engine soon message, reduced engine performance or P0747 diagnostic trouble code. Dealers are to install a new control valve body. The repairs will be made at no charge to the customer. |
| 22-NA-182 | 2025-09-27. Service bulletin. This service bulletin advises the technician to check if the transmission cooler lines are twisted to correct customer concerns of Harsh Shift, Shudder, Surge, Stall, Transmission Overheating and/or High Transmission Fluid Temperature. |
| 21-NA-238 | 2025-07-07. Service bulletin. This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak. |
| N252494003-01 | 2025-06-26. Service campaign. Certain vehicles listed above, may have a condition where the connecting rod and/or crankshaft engine components in these vehicles may have manufacturing defects that can lead to engine damage and engine failure. This special coverage covers if an engine failure occurs in the vehicle as a result of the condition described above for a period of 10 years or 150,000 miles (240,000 km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after May 23, 2025, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to May 23, 2025, must be submitted to the Service Contract provider. Vehicle owners or lessees who paid for repairs referenced in this Special Coverage (“Customers”) are eligible for reimbursement of their reasonable and customary expenses in accordance with the procedures specified below. The conditional right to reimbursement is provided by GM solely in the interest of customer satisfaction and is personal to Customers. Customers may not assign and GM does not consent to any assignment of any Customer’s right to submit reimbursement claims, or to receive reimbursement, or any other rights granted by this Special Coverage to any third party, including but not limited to service contract providers, and this Special Coverage is not intended to and does not confer any third party beneficiary, subrogation or contribution rights, or any other rights to reimbursement, against GM, whether in law, equity or otherwise, on any third parties. Dealers are to replace the engine. The repairs will be made at no charge to the customer. |
| PI0281L | 2025-06-12. Service bulletin. This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers. |
| N242480631-02 | 2025-05-27. Service campaign. Certain vehicles listed above, may have a condition where the transmission control valve has worn, resulting in a gradual loss of pressure within the valve. The effects can cause harsh shifting, setting a service engine soon message, reduced engine performance or P0747 diagnostic trouble code. This special coverage covers vehicles that return after TCM Update Product Safety N242480630 and have P0747 condition described above for a period of 15 years or 150,000 miles (240,000 km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after March 6, 2025, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to March 6, 2025, must be submitted to the Service Contract provider. Vehicle owners or lessees who paid for repairs referenced in this Special Coverage (“Customers”) are eligible for reimbursement of their reasonable and customary expenses in accordance with the procedures specified below. The conditional right to reimbursement is provided by GM solely in the interest of customer satisfaction and is personal to Customers. Customers may not assign and GM does not consent to any assignment of any Customer’s right to submit reimbursement claims, or to receive reimbursement, or any other rights granted by this Special Coverage to any third party, including but not limited to service contract providers, and this Special Coverage is not intended to and does not confer any third party beneficiary, subrogation or contribution rights, or any other rights to reimbursement, against GM, whether in law, equity or otherwise, on any third parties. Dealers are to install a new control valve body. The repairs will be made at no charge to the customer. |