P1629 Cadillac Code - Theft Deterrent Start Enable Signal Not Received
Quick Answer
The P1629 Cadillac code indicates that the theft deterrent system in the vehicle has not received the signal to enable the engine start. Common causes include Faulty key or key fob, Weak or dead battery in the key fob, Communication issue between key or key fob and immobilizer system. 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
- P1629 Cadillac indicates Theft Deterrent Start Enable Signal Not Received.
- Common causes
- Common causes include Faulty key or key fob, Weak or dead battery in the key fob, Communication issue between key or key fob and immobilizer system.
- 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 P1629 Cadillac Description
The P1629 Cadillac code indicates that the theft deterrent system in the vehicle has not received the signal to enable the engine start. In vehicles equipped with an immobilizer system, this code signifies a communication issue between the key or key fob and the vehicle's security system. The theft deterrent system is designed to prevent unauthorized individuals from starting the vehicle without the proper key or key fob.
Common Causes of P1629 Cadillac
- Faulty key or key fob
- Weak or dead battery in the key fob
- Communication issue between key or key fob and immobilizer system
- Faulty ignition switch
- Wiring or connection issues in the theft deterrent system
Symptoms of P1629 Cadillac
- Engine cranks but does not start
- Engine starts but immediately shuts off
- Security light illuminated on the dashboard
- Vehicle goes into anti-theft mode
- Inability to start the vehicle with the correct key or key fob
How to Fix P1629 Cadillac
- Check the key or key fob for any visible damage and replace if necessary.
- Inspect the battery in the key fob and replace if weak or dead.
- Perform a diagnostic scan to check for any communication errors between the key or key fob and the vehicle's security system.
- Check the ignition switch for proper operation and replace if faulty.
- Inspect wiring and connections in the theft deterrent system for any damage or corrosion and repair as needed.
Cost to Fix P1629 Cadillac
The cost of repairing the P1629 Cadillac code can vary depending on the specific cause of the issue. In general, replacing a key or key fob can range from $50 to $200, while replacing an ignition switch can cost between $100 and $300. Diagnostic scans at auto repair shops typically range from $80 to $150 per hour, and labor costs for the repair process can vary based on the complexity of the issue. Overall, the total repair cost for this code may range from $100 to $500, including parts and labor. It's recommended to obtain a more precise estimate from a qualified mechanic based on the specific circumstances of the vehicle.
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Frequently Asked Questions about P1629 Cadillac Code
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