Service bulletins for the 2011 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.
1238 on file from NHTSA, as of 2026-10-19.
About P2135 on the 2011 Chevrolet Impala: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P2135 are shown. Show all
| 120604003A | 2023-12-11. Service bulletin. POWER TRAIN; EXTERIOR LIGHTING. Malfunction Indicator Lamp (MIL) Illuminated, Reduced Engine Power Message Displayed, DTC P2135 Set |
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| 120604003 | 2023-12-11. Service bulletin. EXTERIOR LIGHTING; POWER TRAIN. Diagnosis and Repair - Malfunction Indicator Lamp (MIL) Illuminated, Reduced Engine Power Message Displayed, DTC P2135 Set |
| 12-06-04-003 | 2018-05-29. Service bulletin. POWER TRAIN. This technical bulletin provides a procedure on the replacement of the throttle position sensor cover for a concern of a malfunction indicator lamp, reduced power message and DTC P2135. |
| 12-06-04-003 | 2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This technical bulletin provides a procedure on the replacement of the throttle position sensor cover for a concern of a malfunction indicator lamp, reduced power message and DTC P2135. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.