P1212 Injector Control Pressure Not Detected During Crank

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
    – Engine Light ON (or Service Engine Soon Warning Light)
    P1212 Description
    This CAN communication line is used to control the smooth engine operation during the ABS or TCS operation. Pulse signals are exchanged between ECM and ABS actuator and electric unit (control unit).
    P1212 Information for specific makes
    P1212 BUICK
    P1212 CADILLAC
    P1212 CHEVROLET
    P1212 FORD
    P1212 GMC