P1503 Cadillac Code - Theft Deterrent Fuel Enable Signal Not Correct
Quick Answer
The P1503 Cadillac code indicates that there is an issue with the theft deterrent fuel enable signal not being correct. Common causes include Faulty theft deterrent module, Wiring or connection issues related to the fuel enable signal, Problems with the key or key fob. 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
- P1503 Cadillac indicates Theft Deterrent Fuel Enable Signal Not Correct.
- Common causes
- Common causes include Faulty theft deterrent module, Wiring or connection issues related to the fuel enable signal, Problems with the key or key fob.
- 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 P1503 Cadillac Description
The P1503 Cadillac code indicates that there is an issue with the theft deterrent fuel enable signal not being correct. This signal is part of the vehicle's anti-theft system, which is designed to prevent unauthorized access to the vehicle and its fuel system. When this signal is not functioning properly, it can lead to problems with starting the vehicle, as well as potential issues with fuel delivery and engine performance.
Common Causes of P1503 Cadillac
- Faulty theft deterrent module.
- Wiring or connection issues related to the fuel enable signal.
- Problems with the key or key fob.
- Faulty ignition switch.
- Issues with the vehicle's computer system.
Symptoms of P1503 Cadillac
- Engine cranks but does not start.
- Engine stalls shortly after starting.
- Poor fuel efficiency.
- Rough idling.
- Hesitation during acceleration.
How to Fix P1503 Cadillac
- Diagnose the issue using a diagnostic scanner to retrieve the specific trouble code.
- Inspect the theft deterrent module and related wiring for any signs of damage or corrosion.
- Check the key or key fob for proper operation and ensure it is programmed correctly.
- Test the ignition switch for proper functionality.
- Clear the trouble code from the vehicle's computer system and test the vehicle to ensure the issue has been resolved.
Cost to Fix P1503 Cadillac
The cost of repairing a P1503 Cadillac code can vary depending on the specific cause of the issue. In general, the cost of parts for this repair can range from $100 to $500, while labor costs can range from $100 to $300. This estimate does not include diagnostic fees, which can vary depending on the shop's rates and the time required to diagnose the issue. It is recommended to consult with a qualified mechanic to get an accurate estimate for this repair.
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