WenmarOpen by Wenmar Pro

Service bulletins for the 2014 Cadillac ATS

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.

1991 on file from NHTSA, as of 2026-10-19.

About P2138 on the 2014 Cadillac ATS: what the code means, and the bulletins and recalls about the same components.

By type

By component

By trouble code

By topic

Only bulletins with trouble code: P2138 are shown. Show all

Bulletins, newest first
070604019F2018-06-04. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This technical bulletin provides repair information for repairing the IP to body harness connector to correct a customer concern for intermittent Malfunction Indicator Lamp (MIL) illuminated with Reduced Engine Power displayed and DTC P2138 set.
07-06-04-019E2017-08-15. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This technical bulletin provides repair information for repairing the IP to body harness connector to correct a customer concern for intermittent Malfunction Indicator Lamp (MIL) illuminated with Reduced Engine Power displayed and DTC P2138 set.
141762017-03-03. Service bulletin. VEHICLE SPEED CONTROL:ACCELERATOR PEDAL. 14176 - EMISSIONS RECALL. GENERAL MOTORS HAS DECIDED TO CONDUCT A VOLUNTARY EMISSION RECALL INVOLVING CERTAIN VEHICLES. SOME OF THESE VEHICLES HAVE A CONDITION IN WHICH THE ELECTRICAL TERMINALS ARE NOT PROPERLY CRIMPED TO THE ACCELERATOR PEDAL POSITION (APP) CIRCUITS AT THE ENGINE HARNESS SIDE OF AN INLINE ELECTRICAL CONNECTOR. IF THIS OCCURS, DIAGNOSTIC TROUBLE CODE (DTC) P2138 MAY SET AS A RESULT OF THE ASSOCIATED HIGH RESISTANCE, CAUSING BOTH TRACTION AND STABILITY CONTROL SYSTEMS TO BE DISABLED, REDUCED ENGINE POWER MODE OPERATION, AND THE MALFUNCTION INDICATOR LAMP (MIL) TO ILLUMINATE. DEALERS ARE TO INSPECT THE RELATED APP TERMINALS AND SOLDER THEM OR REPLACE THEM AS REQUIRED.
G-1996832016-09-22. Service bulletin. VEHICLE SPEED CONTROL:ACCELERATOR PEDAL. 14176A - EMISSIONS RECALL (REVISED PART INFORMATION). GENERAL MOTORS HAS DECIDED TO CONDUCT A VOLUNTARY EMISSION RECALL INVOLVING CERTAIN VEHICLES. SOME OF THESE VEHICLES HAVE A CONDITION IN WHICH THE ELECTRICAL TERMINALS ARE NOT PROPERLY CRIMPED TO THE ACCELERATOR PEDAL POSITION (APP) CIRCUITS AT THE ENGINE HARNESS SIDE OF AN INLINE ELECTRICAL CONNECTOR. IF THIS OCCURS, DIAGNOSTIC TROUBLE CODE (DTC) P2138 MAY SET AS A RESULT OF THE ASSOCIATED HIGH RESISTANCE, CAUSING BOTH TRACTION AND STABILITY CONTROL SYSTEMS TO BE DISABLED, REDUCED ENGINE POWER MODE OPERATION, AND THE MALFUNCTION INDICATOR LAMP (MIL) TO ILLUMINATE. DEALERS ARE TO INSPECT THE RELATED APP TERMINALS AND SOLDER THEM OR REPLACE THEM AS REQUIRED.
G-2089492016-09-07. Service bulletin. VEHICLE SPEED CONTROL:ACCELERATOR PEDAL. EMISSION RECALL (REVISED ORDERING INFORMATION). GENERAL MOTORS HAS DECIDED TO CONDUCT A VOLUNTARY EMISSION RECALL INVOLVING CERTAIN 2014 MODEL YEAR CADILLAC ATS VEHICLES. SOME OF THESE VEHICLES HAVE A CONDITION IN WHICH THE ELECTRICAL TERMINALS ARE NOT PROPERLY CRIMPED TO THE ACCELERATOR PEDAL POSITION (APP) CIRCUITS AT THE ENGINE HARNESS SIDE OF AN INLINE ELECTRICAL CONNECTOR. IF THIS OCCURS, DIAGNOSTIC TROUBLE CODE (DTC) P2138 MAY SET AS A RESULT OF THE ASSOCIATED HIGH RESISTANCE, CAUSING BOTH TRACTION AND STABILITY CONTROL SYSTEMS TO BE DISABLED, REDUCED ENGINE POWER MODE OPERATION, AND THE MALFUNCTION INDICATOR LAMP (MIL) TO ILLUMINATE. DEALERS ARE TO INSPECT THE RELATED APP TERMINALS AND SOLDER THEM OR REPLACE THEM AS REQUIRED.
PIE-02912014-05-20. Service bulletin. ENGINE. GM: THE MALFUNCTION INDICATOR LAMP IS ILLUMINATED WITH DTC P2138 OR P06A3. ENGINEER WOULD LIKE TO GATHER INFORMATION FROM THE VEHICLE PRIOR TO ANY ATTEMPTS TO REPAIR THE VEHICLE. *JS UPDATED 05/19/2014 *JS

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