P0021 · Manufacturer communications
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
BUICK, CADILLAC, CHEVROLET, GMC
Reported code forms P0021
This Preliminary Information communication provides information to the technician about vehicles with a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P011, P0014, P0021,…
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BUICK, CADILLAC, CHEVROLET, GMC
Reported code forms P0021
CADILLAC/BUICK/CHEVROLET/GMC: DUE TO CAM ACTUATOR CODES SET - DTC P0011, DTC P0014, DTC 20024, DTC P0021 AND NO OTHER DRIVABILITY ISSUES, THE ENGINE EUN STICKER SHOULD BE INSPECTED, BEFORE REPLACING ACTUATOR. *PE
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BUICK, CADILLAC, CHEVROLET
Reported code forms P0021
This Preliminary Information communication provides information to the technician about vehicles with a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P011, P0014, P0021,…
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BUICK, CADILLAC, CHEVROLET
Reported code forms P0021
This Preliminary Information communication provides information to the technician about vehicles with a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P011, P0014, P0021,…
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BUICK, CADILLAC, CHEVROLET
Reported code forms P0021
This Preliminary Information communication provides information to the technician about vehicles with a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P011, P0014, P0021,…
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BUICK, CADILLAC, GMC, SATURN
Reported code forms P0021
DTC'S P0011, P0014, P0021, P0024, P0341, P0346, P0366, OR P0391. WITH 3.6 LY7 OR LLT. *NJ
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CADILLAC
Reported code forms P0021
ENGINE RUNS ROUGH ON LIGHT ACCELERATION DURING THE FIRST TWO MINUTES OF A KEY CYCLE AND SETS DIAGNOSTIC TROUBLE CODES (DTCS) P0011, P0014, P0021, P0024, P0300. SIT BULLETIN 1404987. *TT
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