WenmarOpen by Wenmar Pro

Service bulletins for the 2013 Chevrolet Impala

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.

1539 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Transmission control module are shown. Show all

Bulletins, newest first
PIP4653E2017-12-22. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); POWER TRAIN. This Preliminary Information communication provides information to the technician about vehicle that have a Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0601, P0603, P0604, P062F or P1621 stored in the Transmission Control Module. Technician will need to ensure that the Diagnostic Trouble Codes are set in the Transmission Control Module. If the Diagnostic Trouble Codes are only set in the Transmission Control Module reprogram the Transmission Control Module.
PI08372017-10-12. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE. This preliminary informational bulletin provides information on a Hesitation or "Sag" on Acceleration After Coast (Reprogram TCM and ECM).
PIP5209A2017-08-15. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:WIRING; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). This Preliminary Information communication provides information to the technician about vehicles that have Diagnostic Trouble Code P00C6 and/or P228C set. Technician will need to inspect the terminals at the Engine Control Module for fit and tension as well as the crimp to wire connection. Terminals to inspect in the ECM are connector x2 terminals 3, 18, and 19 for the fuel rail pressure sensor. Also connector x3 terminals 16 and 32 for the high pressure fuel pump.
PI08372016-11-29. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES A PROCEDURE TO UPDATE THE TRANSMISSION CONTROL MODULE (TCM) AND ENGINE CONTROL MODULE (ECM) SOFTWARE TO CORRECT A CUSTOMER CONCERN ON A HESITATION OR A ‘SAG’ ON ACCELERATION AFTER A ‘LIFT FOOT’ OR COAST MANEUVER.
SB-PI-08372016-06-13. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PI-08362012-12-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). CHEVROLET: WHEN DRIVING AT HIGH SPEEDS, DO NOT HAVE THE ABILITY TO DOWNSHIFT, UNTIL VEHICLE SPEED IS REDUCED TO LOWEST POSSIBLE SPEED (100MPH). MODEL 2012-2013 IMPALA. *PE

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.