AutoCodes – Lincoln – B1302 Lincoln

B1302 Lincoln Code - Accessory Delay Relay Coil Circuit Failure

Quick Answer

The accessory delay relay receives voltage at all times from the Smart Junction Box (SJB). Common causes include Faulty Accessory Delay Relay, Accessory Delay Relay harness is open or shorted, Accessory Delay Relay circuit poor electrical connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means
B1302 Lincoln indicates Accessory Delay Relay Coil Circuit Failure.
Common causes
Common causes include Faulty Accessory Delay Relay, Accessory Delay Relay harness is open or shorted, Accessory Delay Relay circuit poor electrical connection.
Severity
Moderate - service should be scheduled soon.
Can I drive?
The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
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Code Popularity 1,263
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 29, 2024
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Code B1302 Lincoln 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 B1302 Lincoln - Accessory Delay Relay Coil Circuit Failure - AutoCodes.com
B1302 Lincoln Code - Accessory Delay Relay Coil Circuit Failure

What are the Possible Causes of the DTC B1302 Lincoln?

  • Faulty Accessory Delay Relay
  • Accessory Delay Relay harness is open or shorted
  • Accessory Delay Relay circuit poor electrical connection
  • Faulty Smart Junction Box (SJB)

How to Fix the DTC B1302 Lincoln?

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

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1302 Lincoln code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1302 Lincoln Code

1. What are the common symptoms of OBDII code B1302 in a Lincoln related to Accessory Delay Relay Coil Circuit Failure?

The common symptoms include issues with delayed accessory power, such as delayed window operation, radio staying on after the key is removed, or interior lights not turning off.

2. What are the possible causes of the Accessory Delay Relay Coil Circuit Failure in a Lincoln triggering OBDII code B1302?

Possible causes include a faulty accessory delay relay, a damaged relay coil, wiring issues, or a malfunctioning body control module.

3. How can I diagnose the Accessory Delay Relay Coil Circuit Failure in my Lincoln causing OBDII code B1302?

You can diagnose this issue by checking the accessory delay relay, testing the relay coil for continuity, inspecting the wiring for any damage, and scanning the body control module for any related fault codes.

4. Can I continue driving my Lincoln with the OBDII code B1302 related to Accessory Delay Relay Coil Circuit Failure?

It is not recommended to continue driving your Lincoln with this code, as it may lead to further electrical issues and potential accessory malfunctions while driving.

5. How can I repair the Accessory Delay Relay Coil Circuit Failure in my Lincoln triggering OBDII code B1302?

Repair steps may include replacing the faulty accessory delay relay, repairing or replacing damaged wiring, checking and fixing any issues with the relay coil, or reprogramming the body control module if necessary.

6. Are there any DIY tips for fixing OBDII code B1302 in a Lincoln due to Accessory Delay Relay Coil Circuit Failure?

While some simple checks like inspecting the relay and wiring can be done DIY, it is recommended to seek professional help for a thorough diagnosis and repair to ensure the issue is properly resolved.

7. Is resetting the OBDII system enough to clear the B1302 code related to Accessory Delay Relay Coil Circuit Failure in my Lincoln?

Resetting the OBDII system may temporarily clear the code, but it is essential to address the root cause of the issue to prevent the code from reoccurring.

8. Does the Accessory Delay Relay Circuit Failure affect the overall performance of my Lincoln?

While the issue may not directly affect the performance of the vehicle, it can lead to inconvenience and potential safety hazards due to malfunctioning accessories like windows, lights, or radio.

9. How much does it typically cost to repair the Accessory Delay Relay Coil Circuit Failure triggering OBDII code B1302 in a Lincoln?

The cost of repair can vary depending on the exact cause of the issue, but it may range from a few hundred to a thousand dollars, including parts and labor.

10. Can a Lincoln dealership service department help me diagnose and repair the OBDII code B1302 related to Accessory Delay Relay Coil Circuit Failure?

Yes, a Lincoln dealership service department or a qualified automotive technician with experience in electrical diagnostics can help diagnose and repair the issue effectively.

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