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AutoCodes - Generic - B2546

B2546 Code - System Power Relay Circuit Failure

- Code Popularity: 3,898 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC B2546?

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 System Power Relay
  • System Power Relay harness is open or shorted
  • System Power Relay circuit poor electrical connection
  • Faulty Body Control Module (BCM)
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How to Fix the DTC B2546?

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 B2546 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?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code B2546 Description

The Body Control Module (BCM) monitors the System Power Relay. The BCM sets the OBDII code when the System Power Relay is not to factory specifications.

OBDII Code B2546 - System Power Relay Circuit Failure - AutoCodes.com
B2546 Code - System Power Relay Circuit Failure

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Code B2546 comments

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