Engine Error
P2102
Throttle Actuator Control Motor Circuit Low
Severity
High
Symptoms
Vehicle idles but will not accelerate, check engine light
Common Causes
- Short to ground in the TAC motor circuit
- Failed throttle actuator motor
- Water in the throttle body connector
- Internal PCM short
How to Fix
- 1 Trace and repair shorted wire
- 2 Replace electronic throttle body
- 3 Dry connector and apply dielectric grease
- 4 Replace PCM
Estimated Repair Cost
USD
$100
–
$600
Throttle body replacement: $300 - $600