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P1632

Theft Deterrent System - Fuel Disabled

2002-2007 Buick Rendezvous 3.5L V6

High SeverityPowertrain

Description

The theft deterrent system has actively disabled fuel delivery because the correct key/password was not verified. The PCM is preventing the engine from running as an anti-theft measure.

Symptoms

  • Engine will not start
  • Engine cranks but does not fire
  • Security light illuminated
  • No fuel injector pulse

Common Causes

  • Incorrect key used
  • Passlock sensor failure
  • BCM not sending fuel enable signal
  • New BCM not programmed to vehicle
  • Key transponder failure

Diagnostic Steps

  1. Verify correct key is being used
  2. Check security light behavior
  3. Perform theft deterrent relearn procedure
  4. Test fuel enable circuit
  5. Check BCM programming

Repair Notes

Perform security relearn procedure. If using correct key and relearn fails, replace Passlock sensor. Ensure BCM is programmed to the vehicle.

Related Codes

P1626Theft Deterrent Fuel Enable Signal LostP1626Theft Deterrent Fuel Enable Signal LostP1626Theft Deterrent Fuel Enable Signal LostP1626Theft Deterrent Fuel Enable Signal LostP1626Theft Deterrent Fuel Enable Signal LostP1626Theft Deterrent Fuel Enable Signal LostP1626Theft Deterrent Fuel Enable Signal LostP1626Theft Deterrent Fuel Enable Signal LostP1629Theft Deterrent Cranking SignalP1629Theft Deterrent Cranking SignalP1629Theft Deterrent Cranking SignalP1629Theft Deterrent Cranking SignalP1629Theft Deterrent Cranking SignalP1629Theft Deterrent Cranking SignalP1629Theft Deterrent Cranking SignalP1629Theft Deterrent Cranking SignalP1631Theft Deterrent Start Enable Signal Not CorrectP1631Theft Deterrent Start Enable Signal Not CorrectP1631Theft Deterrent Start Enable Signal Not CorrectP1631Theft Deterrent Start Enable Signal Not CorrectP1631Theft Deterrent Start Enable Signal Not CorrectP1631Generator Output Voltage No OutputP1631Theft Deterrent Start Enable Signal Not CorrectP1631Theft Deterrent Start Enable Signal Not CorrectP1631Theft Deterrent Start Enable Signal Not Correct

Other Powertrain Codes

P1632 on Other Vehicles

Common Questions

What does code P1632 mean on a 2002-2007 Buick Rendezvous?

P1632 stands for "Theft Deterrent System - Fuel Disabled". The theft deterrent system has actively disabled fuel delivery because the correct key/password was not verified. The PCM is preventing the engine from running as an anti-theft measure.

What are the symptoms of P1632 on a Buick Rendezvous?

Common symptoms of P1632 include: Engine will not start, Engine cranks but does not fire, Security light illuminated, No fuel injector pulse.

What causes P1632 on a 2002-2007 Buick Rendezvous?

Common causes of P1632 include: Incorrect key used, Passlock sensor failure, BCM not sending fuel enable signal, New BCM not programmed to vehicle, Key transponder failure.

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