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C0238 Buick Code - Wheel Speed Mismatch

- Code Popularity: 3,437 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC C0238 Buick?

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 Front or Rear Speed Sensor
  • Front or Rear Speed Sensor harness is open or shorted
  • Front or Rear Speed Sensor circuit poor electrical connection
  • Faulty EBCM
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How to Fix the DTC C0238 Buick?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C0238 Buick code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to 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)

Code C0238 Buick Description

As the wheel spins, the wheel speed sensor produces an Alternating Current (AC) signal. The Electronic Brake Control Module (EBCM) uses the frequency of the AC signal to calculate the wheel speed.

OBDII Code C0238 Buick - Wheel Speed Mismatch - AutoCodes.com
C0238 Buick Code - Wheel Speed Mismatch

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Code C0238 Buick comments

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