P1211 Buick Injector Control Pressure Sensor Above / Below Desired

P1212 Buick 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
    • What about the obd code?
  • ECM can not receive the information from ABS/TCS control unit continuously.
    • Symptoms
    – Engine Light ON (or Service Engine Soon Warning Light)
    P1212 Buick 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).

    Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick Rainier – Buick Rendezvous – Buick Terraza – Buick Riviera