B1303 Lincoln Code - Accessory Delay Relay Coil Circuit Open
Quick Answer
The B1303 diagnostic trouble code for Lincoln vehicles indicates that there is an open circuit in the accessory delay relay coil. Common causes include Faulty accessory delay relay, Damaged wiring or connectors in the circuit, Malfunctioning control module. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- B1303 Lincoln indicates Accessory Delay Relay Coil Circuit Open.
- Common causes
- Common causes include Faulty accessory delay relay, Damaged wiring or connectors in the circuit, Malfunctioning control module.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code B1303 Lincoln Description
The B1303 diagnostic trouble code for Lincoln vehicles indicates that there is an open circuit in the accessory delay relay coil. The accessory delay relay is responsible for providing power to certain accessories in the vehicle, such as the power windows, radio, and interior lights, for a short period of time after the ignition is turned off or before it is turned on. An open circuit in the relay coil can disrupt the flow of power to these accessories, leading to malfunctions or complete failure.
Common Causes of B1303 Lincoln
- Faulty accessory delay relay.
- Damaged wiring or connectors in the circuit.
- Malfunctioning control module.
- Corrosion in the electrical connections.
- Overloading of the circuit due to aftermarket accessories.
Symptoms of B1303 Lincoln
- Power windows not operating correctly or not moving at all.
- Interior lights not turning on or staying on when they should be off.
- Radio or other accessories losing power intermittently.
- Battery draining faster than usual.
How to Fix B1303 Lincoln
- Begin by conducting a thorough inspection of the accessory delay relay, wiring, and connectors to identify any visible damage or corrosion.
- Test the relay using a multimeter to determine if it is functioning correctly. Replace the relay if it is found to be faulty.
- Check the wiring harness for any breaks or shorts and repair or replace as necessary.
- Clear the diagnostic trouble code from the vehicle's computer using a scan tool after completing the repairs.
- Test the affected accessories to ensure they are functioning properly after the repair.
Cost to Fix B1303 Lincoln
The cost of repairing a B1303 code can vary depending on the specific cause of the issue and the labor rates in your area. On average, the cost of replacing an accessory delay relay can range from $50 to $150, while the cost of repairing wiring or connectors may add to the total expense. Including parts and labor, the total repair cost could range from $100 to $300. It is recommended to contact local auto repair shops for accurate pricing based on your vehicle make and model. Keep in mind that diagnostic time and labor rates can impact the final cost of the repair.
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Frequently Asked Questions about B1303 Lincoln Code
1. What does the OBDII code B1303 indicate on a Lincoln?
- Code B1303 indicates that there is an open circuit in the accessory delay relay coil, which may affect the operation of vehicle accessories that use this relay such as power windows or radio.
2. What are common symptoms of code B1303 in a Lincoln?
- Symptoms commonly associated with code B1303 include accessories that do not operate when the ignition is in the accessory position, intermittent accessory function, or the battery draining faster than usual.
3. What causes an accessory delay relay coil circuit to be open in Lincolns?
- Possible causes include a faulty accessory delay relay, damaged wiring or connectors in the relay circuit, or issues with the fuse related to the accessory delay relay.
4. How can I troubleshoot and fix the B1303 code on my Lincoln?
- Start by checking the accessory delay relay for any signs of damage or corrosion. Inspect the wiring and connectors for breaks or loose connections. Replace any faulty components and check the fuse associated with this circuit.
5. Is it safe to drive my Lincoln with the B1303 code?
- While driving with code B1303 might not directly affect vehicle drivability, the lack of functioning accessories can be inconvenient and certain features like power windows may not work, which can be a safety concern in emergency situations.
6. What tools are needed to diagnose the B1303 code on a Lincoln?
- You will need a digital multimeter to test the continuity and resistance in the relay coil circuit and an OBDII scanner to read and clear the code. A wiring diagram for your specific model can also be very helpful.
7. Can a dead battery cause code B1303 to appear on a Lincoln?
- While a dead battery itself won’t cause this specific code, issues with charging or electrical systems leading to low voltage conditions can contribute to accessory relay malfunctions, which might trigger code B1303.
8. How much does it typically cost to repair the issue associated with the B1303 code in a Lincoln?
- The cost can vary based on the specific cause and your location. If it’s a simple relay replacement, it might cost between $50 and $150 including parts and labor. More extensive wiring repairs can increase the cost significantly.
9. How often do accessory delay relay issues occur in Lincolns?
- Such issues are not extremely common but can occur due to aging of vehicle electrical components or due to environmental factors such as moisture or excessive heat which can damage circuits and relays.
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