P2107high severityPowertrain
Throttle Actuator Control Module Processor
on 2004 Subaru Legacy 3.0L H6 · AWD
What this code means
Internal processor fault in the throttle actuator control module.
Symptoms
- Check engine light
- Limp mode
- Erratic throttle behavior
Common causes
- ECM/TCM internal failure
- Power supply issue
- Software corruption
Diagnostic steps
- Check ECM power supply voltages
- Attempt software reflash
- Check for TSBs
Repair notes
Reflash ECM software. If fault persists, replace ECM.
Other Powertrain codes on this vehicle
P0001
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P0002
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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