CHEVROLET, GMC
17-NA-171
Manufacturer communications
- Publication date
- 2017-10-01
- Received by NHTSA
- 2021-04-14
- NHTSA record numbers
- 10190233
Manufacturer summary
Original wording in English
Hesitation, Stalling, Engine Speed Flare While Coasting, Unintended Acceleration Feel During a Parking Lot Maneuver, Reduced Surge in Low Speed Maneuvers, Stumble, Harsh Tip-In/Tip-Out, Park-Reverse-Drive Shift Concerns, Harsh Shifts, Erratic Shifts, Engine Vibration, Vibration, Buzz and/or Humming from Steering Wheel, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0097, P054F, P24B1, P24C7, P0128, P2BAA, P2635, P11CC, P10D1, P0483, P2636, P0181, P22FE, P0263, P0266, P0269, P0272, P0275, P0278, P0281, P0284, P040C, P040D, P041C, P041D Set Cause This condition may be caused by an anomaly in the Engine Control Module (ECM) and the Transmission Control Module (TCM). Note: It is important that both the ECM and TCM are updated to the latest software. Not updating both modules may result in additional undesired vehicle performance. If the ECM and TCM have the latest calibrations, refer to SI for the DTC set or existing condition. Validate the ECM and TCM have the latest software calibration.
• If the ECM and TCM are not at the latest calibration, using TIS2Web, select (K20/K71) Engine and Transmission Control Module. ⇒ Both modules must be reprogrammed sequentially to the latest software calibration available.
• If the modules have the latest calibrations, refer to SI for the DTC set.
• If the ECM and TCM are not at the latest calibration, using TIS2Web, select (K20/K71) Engine and Transmission Control Module. ⇒ Both modules must be reprogrammed sequentially to the latest software calibration available.
• If the modules have the latest calibrations, refer to SI for the DTC set.
Reported code forms
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| Make | Model | Model year |
|---|---|---|
| Chevrolet | SILVERADO 1500 | 2017 |
| Chevrolet | SILVERADO 2500 | 2017 |
| Chevrolet | SILVERADO 3500 | 2017 |
| GMC | SIERRA 1500 | 2017 |
| GMC | SIERRA 2500 | 2017 |
| GMC | SIERRA 3500 | 2017 |
| GMC | SIERRA DENALI | 2017 |