P1429 on the 2016 Chevrolet Volt
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| 15-NA-080 | 2021-09-07. Service bulletin. Malfunction Indicator Lamp (MIL) On, Possible P0300, P040B, P041B, P01427 and/or P1429 TDCs Set |
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| 15-NA-080 | 2021-04-20. Service bulletin. Malfunction Indicator Lamp (MIL) On, Possible P0300, P040B, P041B, P1427 and/or P1429 DTCs Set Some customers may comment on a check engine light illuminated. During diagnosis a technician may find one or more of the following DTCs set: • P0300 — Engine Misfire Detected • P040B — Exhaust Gas Recirculation Temperature Sensor 2 Circuit Range/Performance • P041B — Exhaust Gas Recirculation Temperature Sensor 1 Circuit Range/Performance • P1427 — EGR Temperature Sensor 1 – Intake Air Temperature 1 Not Plausible • P1429 — EGR Temperature Sensor 2 – Intake Air Temperature 1 Not Plausible This may be caused by a calibration within the K20 Engine Control Module |
| 32340B | 2018-05-21. Service bulletin. 32340B ? Service Update Bulletin (Service Procedure Revised). An engine misfire condition could occur on these vehicles causing the check engine/service engine soon light to illuminate, a rough or high idle condition, and diagnostic trouble code (DTC) P0300 or P050D to set. A software update is available to correct this and also a condition where DTCs P040B, P041B, P1427 and P1429 may set incorrectly. Dealers are to reprogram the engine control module. |
| 32340A | 2017-02-03. Service bulletin. 32340A - SERVICE UPDATE (REVISED TO ADD 2016 MODEL YEAR VEHICLES). AN ENGINE MISFIRE CONDITION COULD OCCUR CAUSING THE CHECK ENGINE/SERVICE ENGINE SOON LIGHT TO ILLUMINATE, A ROUGH OR HIGH IDLE CONDITION, AND DIAGNOSTIC TROUBLE CODE (DTC) P0300 OR P050D TO SET. A SOFTWARE UPDATE IS AVAILABLE TO CORRECT THIS AND ALSO A CONDITION WHERE DTCS P040B, P041B, P1427 AND P1429 MAY SET INCORRECTLY. DEALERS ARE TO REPROGRAM THE ENGINE CONTROL MODULE. |
| GCUS-3-421 | 2016-09-14. Service bulletin. 28340 - SERVICE UPDATE. RRPROGRAM THE ENGINE CONTROL MODULE. AN ENGINE MISFIRE CONDITION COULD OCCUR DURING THE ENGINE MAINTENANCE MODE (EMM) AFTER THE VEHICLE HAS BEEN SITTING FOR AN EXTENDED PERIOD OF TIME CAUSING THE CHECK ENGINE/SERVICE ENGINE SOON LIGHT TO ILLUMINATE, A ROUGH OR HIGH IDLE CONDITION, AND DIAGNOSTIC TROUBLE CODE (DTC) P0300 TO SET. A SOFTWARE UPDATE IS AVAILABLE TO CORRECT THIS AND ALSO A CONDITION WHERE DTCS P040B, P041B, P1427 AND P1429 MAY SET INCORRECTLY. |
| SB-32340-B | 2016-08-18. Service bulletin. 32340B – SERVICE UPDATE BULLETIN (SERVICE PROCEDURE REVISED). AN ENGINE MISFIRE CONDITION COULD OCCUR ON THESE VEHICLES CAUSING THE CHECK ENGINE/SERVICE ENGINE SOON LIGHT TO ILLUMINATE, A ROUGH OR HIGH IDLE CONDITION, AND DIAGNOSTIC TROUBLE CODE (DTC) P0300 OR P050D TO SET. A SOFTWARE UPDATE IS AVAILABLE TO CORRECT THIS AND ALSO A CONDITION WHERE DTCS P040B, P041B, P1427 AND P1429 MAY SET INCORRECTLY. DEALERS ARE TO REPROGRAM THE ENGINE CONTROL MODULE. |
6 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.