Engine-Codes - Generic - C1237

C1237 Code - Speed Wheel Rear Input Signal Missing

- Code Popularity: 59,779 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC C1237?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Rear ABS Sensor
  • Rear ABS Sensor harness is open or shorted
  • Rear ABS Sensor circuit poor electrical connection
  • Faulty Wheel Speed Sensor
  • Wheel bearing
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How to Fix the DTC C1237?

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 pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the C1237 code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

What Does the C1237 Code Mean?

The Anti-Lock Brake System (ABS) Actuator And Electric Unit (Control Unit) monitors the Rear Anti-Lock Brake Sensor. The ABS Actuator And Electric Unit sets the OBDII code when the Rear Anti-Lock Brake Sensor is not to factory specifications.

C1237 Code - Speed Wheel Rear Input Signal Missing

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Code C1237 Information for Specific Makes

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