Check P21AB Fault Code

When you check engine light came on code P21AB the reason should be . However your vehicle's manufacturer may have a different definition for the P21AB OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P21AB Code Reason

P21AB DTC specifically refers to the camshaft (cam) timing. In this case, if the cam timing is over-retarded, the engine light will be illluminated and the code will be set.

P21AB Possible Fix :

There could be a number of reasons for noisy brakes. It could be that your brake pads are loose, worn out, or you may have brake dust inside the drum. If you can't see anything wrong with your brake pads, and you suspect it may be brake dust, it may be best to leave this to a professional, brake dust can be extremely dangerous if accidentally inhaled.

P21AB OBD-II Diagnostic Powertrain (P) Trouble Code Description

p21ab so you have to check ODB-II Fault Code Check list.

Reason For P21AB Code

The reason of P21AB OBD-II Fault Code Check is p21ab .

P21AB Solution:

Power Steering Pressure (PSP) Switch Signal Malfunction The PCM counts the number of times vehicle speed transitions from 0 to a calibratable speed. After a calibratable number of speed transitions the PCM expects that the PSP input should have changed. This DTC is set if the transition is not detected. Vehicle towed with engine running Power steering hydraulic concern was repaired but DTC was not erased PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged Check, if possible, if vehicle was towed or power steering service was performed. Observe PSP V PID while checking wires for intermittents.

What does fault code P21AB mean ?
What does a diagnostic reading P21AB mean ?
How to fix OBD2 Code P21AB ?
What do we know about P21AB code ?