B1588 Code - Autolamp Delay Increase Circuit Open
Quick Answer
The B1588 diagnostic trouble code indicates that there is an open circuit in the autolamp delay increase circuit. Common causes include Faulty autolamp delay increase circuit wiring, Defective autolamp delay increase switch, Corrosion or loose connections in the circuit. 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
- B1588 indicates Autolamp Delay Increase Circuit Open.
- Common causes
- Common causes include Faulty autolamp delay increase circuit wiring, Defective autolamp delay increase switch, Corrosion or loose connections in the circuit.
- 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 B1588 Description
The B1588 diagnostic trouble code indicates that there is an open circuit in the autolamp delay increase circuit. This circuit is responsible for controlling the delay time before the vehicle's automatic lamps turn off after the ignition is switched off. When this circuit is open, it can cause issues with the autolamp system, leading to the lamps not turning off at the appropriate time or not functioning properly. This can be a safety hazard as it may drain the vehicle's battery if the lights remain on for an extended period.
Common Causes of B1588
- Faulty autolamp delay increase circuit wiring.
- Defective autolamp delay increase switch.
- Corrosion or loose connections in the circuit.
- Issues with the autolamp control module.
- Electrical issues such as blown fuses related to the autolamp system.
Symptoms of B1588
- Autolamps staying on longer than usual after the ignition is turned off.
- Autolamps not turning off automatically at all.
- Inconsistent behavior of the autolamp system.
- Dashboard warning light related to exterior lighting system.
How to Fix B1588
- Begin by conducting a visual inspection of the autolamp delay increase circuit wiring to check for any signs of damage, corrosion, or loose connections.
- Test the autolamp delay increase switch using a multimeter to ensure it is functioning properly.
- Check the autolamp control module for any faults and replace if necessary.
- Repair or replace any damaged wiring or connectors in the circuit.
- Clear the diagnostic trouble codes and test the autolamp system to ensure proper functionality.
Cost to Fix B1588
The cost of repairing a B1588 code can vary depending on the specific cause of the issue and the labor rates of the auto repair shop. In general, the cost of parts and labor for this repair can range from $100 to $300. It's important to consider that diagnostic time and labor rates can vary, so it's advisable to consult with a trusted mechanic or repair shop to get an accurate estimate based on your vehicle's make and model.
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