Engine Signal 2


Table of contents

C1131 NISSAN Possible Causes

  • Faulty Engine Control Module (ECM)
  • Faulty ABS actuator and electric unit (control unit)
  • Control Area Network (CAN) communication line
  • Blown ECM fuses

How do I fix code C1131 NISSAN?

  Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.

Tech Notes

  • The code means that the Anti-Lock Brake System (ABS) control unit has detected that there is problem with the Engine Control Module (ECM).

Cost of diagnosing the C1131 NISSAN code

  The cost of diagnosing the C1131 NISSAN code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

When is the code detected

  Based on the signal from Engine Control Module (ECM), the Control Area Network (CAN)-Local Area Network (LAN) converter (CLC) judges that the engine control system is malfunctioning.

Possible Symptoms

  • Anti-Lock Brake System (ABS) Warning Light ON
  • Engine Light ON (or Service Engine Soon Warning Light)

C1131 NISSAN Description

  ABS actuator and electric unit (control unit) and ECM exchange the engine signal with CAN communication line. Major engine components are malfunctioning.

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