P2105
Throttle Actuator Control System Forced Engine Shutdown
2002-2009 GMC Envoy 4.2L I6
Critical SeverityPowertrainGeneric (SAE)
Description
ECM shut down the engine due to a critical electronic throttle control fault.
Symptoms
- Engine stalls and won't restart
- Check engine light
- Multiple warning lights
Common Causes
- Severe throttle control fault
- APP sensor failure
- Critical wiring damage
- ECM hardware failure
Diagnostic Steps
- Check for other DTCs
- Inspect APP sensors
- Check throttle body
- Verify ECM power and grounds
Repair Notes
Diagnose root cause immediately. This indicates a safety-critical throttle system failure.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
P2105 on Other Vehicles
Common Questions
What does code P2105 mean on a 2002-2009 GMC Envoy?
P2105 stands for "Throttle Actuator Control System Forced Engine Shutdown". ECM shut down the engine due to a critical electronic throttle control fault.
What are the symptoms of P2105 on a GMC Envoy?
Common symptoms of P2105 include: Engine stalls and won't restart, Check engine light, Multiple warning lights.
What causes P2105 on a 2002-2009 GMC Envoy?
Common causes of P2105 include: Severe throttle control fault, APP sensor failure, Critical wiring damage, ECM hardware failure.