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AutoCodes - Generic - B1305

B1305 Code - Accessory Delay Relay Coil Circuit Short To Ground

- Code Popularity: 21,376 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC B1305?

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 Accessory Delay Relay
  • Accessory Delay Relay harness is open or shorted
  • Accessory Delay Relay circuit poor electrical connection
  • Faulty Smart Junction Box (SJB)
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How to Fix the DTC B1305?

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 B1305 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 B1305 Description

The accessory delay relay receives voltage at all times from the Smart Junction Box (SJB). The SJB controls the coil side ground of the accessory delay relay and activates the accessory delay relay when the ignition switch is in the ON position. The accessory delay relay remains active for an additional 10 minutes when the ignition switch is in the OFF position or until the driver door is opened. The accessory delay relay provides voltage to the door lock switches, power windows and roof opening panel (if equipped).

OBDII Code B1305 - Accessory Delay Relay Coil Circuit Short To Ground - AutoCodes.com
B1305 Code - Accessory Delay Relay Coil Circuit Short To Ground

Need More Information on the Code?

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Information for Specific Makes

  • B1305 Ford Accessory Delay Relay Coil Circuit Short To Ground
  • B1305 Lincoln Accessory Delay Relay Coil Circuit Short To Ground
  • B1305 Mercury Accessory Delay Relay Coil Circuit Short To Ground

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Code B1305 comments

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