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AutoCodes - Generic - B2453

B2453 Code - Auxiliary Heater Blower Fan Circuit Short to Ground

- Code Popularity: 4,440 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC B2453?

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 Auxiliary Heater Blower Fan
  • Auxiliary Heater Blower Fan harness is open or shorted
  • Auxiliary Heater Blower Fan circuit poor electrical connection
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How to Fix the DTC B2453?

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 B2453 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 B2453 Description

The Powertrain Control Module (PCM) monitors the Auxiliary Heater Blower Fan. The PCM sets the OBDII code when the Auxiliary Heater Blower Fan is not to factory specifications.

OBDII Code B2453 - Auxiliary Heater Blower Fan Circuit Short to Ground - AutoCodes.com
B2453 Code - Auxiliary Heater Blower Fan Circuit Short to Ground

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Code B2453 comments

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