Check B1303 Fault Code

When you check engine light came on code B1303 the reason should be . However your vehicle's manufacturer may have a different definition for the B1303 OBD-II Diagnostic Body (B) Trouble Code. So you should chech it on our car models.

B1303 Code Reason

B1303 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.

B1303 Possible Fix :

When you spot grave damage, replace, replace, replace! Otherwise, if it's just a matter of grime buildup or dirty plugs, simply clean these components. If your wires are tangled, prevent arcing and damage caused by friction by using a spark plug wire loom or divider on your car. It basically organizes your wires and offer better insulation. In short, it keeps your wires organized, making it easier to access your spark plug wires for inspection and/or installation.

B1303 OBD-II Diagnostic Body (B) Trouble Code Description

B1303 Accessory Delay Relay Coil Circuit Open so you have to check ODB-II Fault Code Check list.

Reason For B1303 Code

The reason of B1303 OBD-II Fault Code Check is B1303 Accessory Delay Relay Coil Circuit Open.

B1303 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.

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