Error code
OBD2 P2104
OBD2P2104
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Throttle Actuator Control System - Forced Idle.
Severity
moderateCan drive, but performance may be affected and the vehicle could enter forced idle mode unexpectedly.
Summary
P2104 indicates that the throttle actuator control (TAC) system has entered forced idle mode, which is related to issues with the TAC motor or sensors.
Common Causes
- Wiring issues
- Faulty TAC motor
- Malfunctioning APP sensor
- ECM failure
Fixes
FAQ
What does P2104 mean?
P2104 indicates that the throttle actuator control system has entered forced idle mode, which can be caused by issues with the TAC motor or sensors.
How do I fix P2104?
Fixing P2104 typically involves diagnosing and repairing issues related to wiring, the TAC motor, APP sensor, or ECM. Professional diagnosis is recommended.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- P2100Throttle Actuator Control Motor Circuit/Open
- P2101Throttle Actuator Control Motor Circuit Range/Performance
- P2102Throttle Actuator Control Motor Circuit Low
- P2103Throttle Actuator Control Motor Circuit High
- P2105Throttle Actuator Control System - Forced Engine Shutdown
- P2106Throttle Actuator Control System - Forced Limited Power
- P2107Throttle Actuator Control Module Processor
- P2108Throttle Actuator Control Module Performance
- P2109Throttle/Pedal Position Sensor 'A' Minimum Stop Performance
- P2110Throttle Actuator Control System - Forced Limited RPM
- P2111Throttle Actuator Control System - Stuck Open
- P2112Throttle Actuator Control System - Stuck Closed