P1632high severityPowertrain
Theft Deterrent System - Fuel Disabled
on 2012 Chevrolet Impala 3.5L V6 · FWD
What this code means
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
- Verify correct key is being used
- Check security light behavior
- Perform theft deterrent relearn procedure
- Test fuel enable circuit
- 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.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1