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Engine-Codes – Generic – P1632

P1632 Code - Theft Deterrent Start Disable Signal Received

Quick Answer

The P1632 code indicates that the theft deterrent system in the vehicle has received a signal to disable the starting function. Common causes include Faulty key or key fob, Communication issue between the key and the immobilizer system, Malfunctioning anti-theft 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
P1632 indicates Theft Deterrent Start Disable Signal Received.
Common causes
Common causes include Faulty key or key fob, Communication issue between the key and the immobilizer system, Malfunctioning anti-theft 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.
What is this?
Table of contents Created and updated by William Orellana on Aug 18, 2024
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Code P1632 Description

The P1632 code indicates that the theft deterrent system in the vehicle has received a signal to disable the starting function. This can be triggered by a variety of factors, such as a faulty key, a communication issue between the key and the immobilizer system, or a problem with the anti-theft module. When this code is triggered, the vehicle's engine will not start, as the system is preventing it from doing so to protect against theft. The theft deterrent system is designed to prevent unauthorized access to the vehicle and ensure its security.

OBDII Code P1632 - Theft Deterrent Start Disable Signal Received
P1632 Code - Theft Deterrent Start Disable Signal Received

Common Causes of P1632

  1. Faulty key or key fob
  2. Communication issue between the key and the immobilizer system
  3. Malfunctioning anti-theft module
  4. Wiring or connection issues in the theft deterrent system

Symptoms of P1632

  1. Engine cranks but does not start
  2. Security light flashing on the dashboard
  3. Inability to start the vehicle with a known working key
  4. Loss of power or stalling while driving

How to Fix P1632

  1. Check the key or key fob for any visible damage and try using a spare key to start the vehicle.
  2. Inspect the wiring and connections in the theft deterrent system for any signs of wear or corrosion.
  3. Scan the vehicle's computer system for any stored fault codes and address any related issues.
  4. If necessary, replace the faulty key, repair any wiring issues, or replace the anti-theft module.
  5. Clear the diagnostic trouble codes from the vehicle's computer system and test to ensure the issue has been resolved.

Cost to Fix P1632

The cost of repairing a P1632 code can vary depending on the specific cause of the issue and the labor rates of the auto repair shop. On average, the repair costs for this issue can range from $100 to $500, including parts and labor. It's important to consider that additional diagnostic time may be needed to pinpoint the exact cause of the problem, which can affect the overall cost of the repair. It is recommended to consult with a trusted mechanic or dealership to get a more accurate estimate based on the specific circumstances of the vehicle and location.

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Code P1632 Information for Specific Makes

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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