P2107
Throttle Actuator A Control Module Processor
Throttle actuator control (drive-by-wire)
Generic OBD-II
High
What it means
P2107 means the throttle actuator control module (the drive-by-wire "brain" that moves the throttle plate) has detected an internal processor fault. Because the module can no longer trust its own throttle control, the PCM usually commands reduced-power or limp mode as a safety measure, so the engine feels sluggish and unresponsive.
High
Can I keep driving? Drive gently and get it looked at soon — this usually forces the engine into reduced-power or limp mode, so acceleration and highway merging can be unsafe.
Common symptoms
What you'll notice
- Check-engine light on
- Reduced engine power / limp (failsafe) mode
- Poor or unresponsive throttle response
- Rough, high, or erratic idle
Common causes
Most likely first
- Internal fault in the throttle actuator control (TAC) module or PCM processorLikely
- Corroded or loose connectors / damaged wiring to the throttle bodyCommon
- Faulty throttle actuator motor or throttle body assemblyCommon
- PCM software fault requiring a reflash or updateLess often
How to diagnose & fix
Work through it in order
- Scan for companion throttle codes (P2101-P2112) and read freeze-frame data to see the conditions when it set.
- Inspect and clean the throttle body, then clear the code and re-test — a sticking plate can trip the processor's self-check.
- Check the throttle-body connector and wiring for corrosion, bent pins, and good power/ground.
- Check for a PCM/TAC module software update or TSB for the vehicle.
- If the fault is internal to the module, replace or reprogram the TAC module / PCM as specified.
FAQ
Quick answers
Is it safe to drive with P2107?+
Only briefly and gently. It typically drops the engine into reduced-power mode, so acceleration is limited — get it diagnosed before relying on the car.
Can I just clear P2107?+
You can, but if the throttle module's internal check keeps failing it will return, often putting the car back into limp mode.
Related codes
Often seen with P2107
Read & clear P2107 yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.
✓ Verified name — SAE J2012 / ISO 15031-6Guidance reviewed by OBD DashX