C1133 – INFINITI

Code : C1133
Make : INFINITI
Description : C1133 INFINITI Engine Signal 4
Possible causes :
– Faulty Engine Control Module (ECM)
– Faulty ABS Actuator and Electric Unit (Control Unit)
– Control Area Network (CAN) communication line
– Blown Engine Control Module (ECM) fuse
Solutions :
– Carry out a Reset via CarDiag
– Choose a better quality fuel
– Check that the tank cap is securely closed
– Check the oil level and add more if it is lower than MAX
– Restart an Automatic diagnostic via CarDiag
– If the fault persists, you can check the “Possible causes” listed above : visually inspect (by yourself (tutorials to come) or by a professional) the wiring harness and the associated connectors, check for damaged components, and look for broken, bent, pushed, or corroded connector pins.

 


 

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