Possible causes Harness or connectors (The CAN communication line is open or shorted.) ABS actuator and electric unit (control unit) Dead (Weak) battery When is the code detected? ECM can not receive the information from ABS/TCS control unit continuously. Symptoms
FORD Technical Service Bulletins for P1212 code 2000 FORD F-650 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE 2000 FORD F750 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE 2001 FORD F-650 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE 2001 FORD F750 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
P1212 BUICK – Mass Air Flow Circuit Intermittent Low
P1212 CADILLAC – Mass Air Flow Circuit Intermittent Low
P1212 CHEVROLET – Mass Air Flow Circuit Intermittent Low
P1212 GMC – Mass Air Flow Circuit Intermittent Low