OBDII Code List

C1103 NISSAN - Front Right Sensor 1

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • ABS Wheel Sensor not properly installed
  • ABS Wheel Sensor rotor or encoder damaged
  • ABS Wheel Sensor rotor loose on axle
  • Faulty ABS Wheel Sensor
  • ABS Wheel Sensor harness is open or shorted
  • ABS Wheel Sensor circuit poor electrical connection
  • Faulty Anti-Lock Brake System (ABS) Actuator and Electric Unit (Control Unit)

Tech notes

There is a factory service bulletin for all Nissan models to help diagnose the C1103 code:

2007-2013 All Nissan Models:
2007-2013 All Nissan Models Factory Service Bulletin OBDII Code C1103

When is the code detected?

Circuit of front Right wheel sensor is open, shorted or sensor voltage is unusual

Possible symptoms

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

C1103 Nissan Description

When the sensor rotor rotates, the magnetic field changes. It converts the magnetic field changes to current signals (rectangular wave) and transmits them to the Anti-Lock Brake System (ABS) Actuator and Electric Unit (Control Unit). The ABS Actuator and Electric Unit monitors the ABS Wheel Sensor. The ABS Actuator and Electric Unit sets the OBDII code when the ABS Wheel Sensor is not to factory specifications.
OBDII Code C1103 Nissan - Front Right Sensor 1 -

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