P050D on Chevrolet vehicles

A model year is listed because the code is named in its own record — a bulletin filed against it, or an owner’s complaint about it — not because every one of these vehicles sets it. Counts are documents in NHTSA’s files, not failure rates.

Owners’ own words, scrubbed of anything identifying. Unverified reports filed with NHTSA — what was said, not a finding that it was true.

Bulletins and campaigns Chevrolet filed with NHTSA whose summary names P050D. Quote the document number at the service desk — it is a diagnosis the maker has already written down.

• SB-32340-B Service bulletin
  2016-04-19 · Engine
• 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 INCORR
• 32340A Service bulletin
  2016-03-02 · Engine
• 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. DEALER
• PIP5472A Service bulletin
  2017-02-27 · Equipment — Appliance — Air Conditioner
• This Preliminary Information communication provides information to the technician related to vehicles that have a Malfunction Indicator Lamp on. A technician may find Diagnostic Trouble Code P050D set as current or history. The technician is advised that if the engine misfires during very specific cold start conditions, to replace only the exhaust side SHLA's (Stationary Hydraulic Lash Adjuster) a
• PIP5472C Service bulletin
  2017-12-11 · Engine And Engine Cooling — Exhaust System
• This Preliminary Information communication provides information to the technician related to vehicles that have a Malfunction Indicator Lamp on. A technician may find Diagnostic Trouble Code P050D set as current or history. The technician is advised that if the engine misfires during very specific cold start conditions, to replace only the exhaust side SHLA's (Stationary Hydraulic Lash Adjuster) a
• PIP5472D Service bulletin
  2018-01-03 · Equipment — Other — Owners/Service/Other Manual
• This Preliminary Information communication provides information to the technician related to vehicles that have a Malfunction Indicator Lamp on. A technician may find Diagnostic Trouble Code P050D set as current or history. The technician is advised to first perform the SI diagnostic. That if the diagnostic fails to isolate the concern, then replace only the exhaust side SHLA's (Stationary Hydraul
• PIP5472E Service bulletin
  2018-08-28 · Engine And Engine Cooling — Exhaust System
• This Preliminary Information communication provides information to the technician related to vehicles that have a Malfunction Indicator Lamp on. A technician may find Diagnostic Trouble Code P050D set as current or history. The technician is advised to first perform the SI diagnostic. That if the diagnostic fails to isolate the concern, then replace only the exhaust side SHLA's (Stationary Hydraul
• PIP5472 Service bulletin
  2017-02-07 · Engine And Engine Cooling
• This Preliminary Information communication provides information to the technician related to vehicles that have a Malfunction Indicator Lamp on. A technician may find Diagnostic Trouble Code P050D set as current or history. The technician is advised that if the engine misfires during very specific cold start conditions, to replace only the exhaust side SHLA's (Stationary Hydraulic Lash Adjuster) a
• PIP5628 Service bulletin
  2019-02-18 · Engine And Engine Cooling
• This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
• PIP5628B Service bulletin
  2020-05-21 · Engine
• This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
• PIP5628C Service bulletin
  2020-10-08 · Engine And Engine Cooling
• This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
• PIP5498L Service bulletin
  2019-05-07 · Engine And Engine Cooling
• This Preliminary information communicates A vehicle may have a concern of DTC P050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Cause Coolant getting into the cylinders, and provides direction for the repair.
• PIP5498M Service bulletin
  2020-08-21 · Engine And Engine Cooling
• This Preliminary information communicates A vehicle may have a concern of DTC P050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Cause Coolant getting into the cylinders, and provides direction for the repair.

A stored code names the test that failed, never the part that caused it. The record above is what Chevrolet and its owners have filed about it; the code’s page across every make has the whole file.