P1212 2002 NISSAN ALTIMA SEDAN Possible Causes
- Dead (weak) battery
- Faulty ABS actuator and electrical unit (control unit)
- ABS actuator and electrical unit harness is open or shorted
- Poor electrical connection in ABS actuator and electrical unit circuit
How to Fix Code P1212 2002 NISSAN ALTIMA SEDAN?
Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.
Technical Notes
Start by checking the battery charge and terminal connection. A weak or discharged battery can cause poor CAN (Control Area Network) communication.
When is the Code Detected?
– The ECM cannot continuously receive information from the ABS/TCS control unit.
Possible Symptoms
- Engine light on (or service engine soon warning light)
P1212 2002 NISSAN ALTIMA SEDAN Meaning
This CAN (Control Area Network) communication line is used to control proper engine operation during Anti-lock Brake System (ABS) or Traction Control System (TCS) operation. Pulse signals are exchanged between the Engine Control Module (ECM) and the ABS actuator and electrical unit (control unit).