P21CA

DTC P21CA, sometimes indicated as P21CA00 is an OBD diagnostic trouble code indicating a manufacturer-specific fault with the vehicle powertrain (i.e. engine and gearbox). This code identifies an error with the air/fuel mixture causing p21ca.

DTC Trouble Code Search

Bulletins

Bulletins are notices put out by manufacturers in conjunction with the NHTSA to notify the public of manufacturing issues or changes.

KC-2040 - ELECTRICAL SYSTEM
VOLVO: P21CA00 and other power faults leading to communication faults and scr inducement (derate)
KC-2040 - ENGINE AND ENGINE COOLING
MACK: P21CA00 and other power faults leading to communication faults and scr inducement (derate)
KC-2040 - ENGINE AND ENGINE COOLING
VOLVO: P21CA00 and other power faults leading to communication faults and scr inducement (derate)
KC-2040 - ENGINE AND ENGINE COOLING
VOLVO: P21CA00 and other power faults leading to communication faults and scr inducement (derate)
KC-2040 - ENGINE AND ENGINE COOLING
VOLVO: P21CA00 and other power faults leading to communication faults and scr inducement (derate)
KC-2040 - ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)
MACK: P21CA00 and other power faults leading to communication faults and scr inducement (derate)
KC-2040 - ENGINE AND ENGINE COOLING
VOLVO: P21CA00 and other power faults leading to communication faults and scr inducement (derate)
KC-2040 - ENGINE AND ENGINE COOLING
VOLVO: P21CA00 and other power faults leading to communication faults and scr inducement (derate)