P1629 Saturn Code - Theft Deterrent Start Enable Signal Not Received
Quick Answer
The P1629 diagnostic trouble code indicates that the theft deterrent start enable signal is not being received by the vehicle's engine control module (ECM). Common causes include Faulty theft deterrent system, ECM malfunction, Wiring issue. 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 Saturn indicates Theft Deterrent Start Enable Signal Not Received.
- Common causes
- Common causes include Faulty theft deterrent system, ECM malfunction, Wiring issue.
- 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 Saturn Description
The P1629 diagnostic trouble code indicates that the theft deterrent start enable signal is not being received by the vehicle's engine control module (ECM). In simpler terms, the ECM is not receiving the signal it needs to allow the vehicle to start, which is a security feature designed to prevent unauthorized individuals from starting the vehicle. This can be a serious issue as it can leave the vehicle inoperable until the problem is resolved.
Common Causes of P1629 Saturn
- Faulty theft deterrent system
- ECM malfunction
- Wiring issue
- Malfunctioning key fob
- Faulty ignition switch
Symptoms of P1629 Saturn
- Engine cranks but does not start
- Vehicle starts but immediately shuts off
- Anti-theft system activated (horn honking, lights flashing)
- Security light illuminated on the dashboard
How to Fix P1629 Saturn
- Diagnose the issue by using a diagnostic scanner to read the trouble codes and identify the specific cause of the problem.
- Check the wiring connections related to the theft deterrent system and repair any damaged or loose connections.
- Test the key fob to ensure it is functioning properly, and replace it if necessary.
- If the ECM is found to be faulty, it may need to be reprogrammed or replaced by a professional technician.
- Clear the trouble codes from the ECM's memory and test the vehicle to ensure that the issue has been resolved.
Cost to Fix P1629 Saturn
The typical repair costs for addressing a P1629 code can vary depending on the specific cause of the issue. In general, the cost of parts and labor for this type of repair could range from $100 to $500 or more. It is important to keep in mind that the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It is advisable to check with local auto repair shops to get a more accurate estimate for the repair.
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