Engine Error
P2101
Throttle Actuator Control Motor Circuit Range/Performance
Severity
High
Symptoms
Reduced engine power, erratic idle, surging
Common Causes
- Carbon buildup binding the throttle plate
- Faulty throttle body motor
- Corroded electrical connection
- PCM software issue
How to Fix
- 1 Clean the throttle body thoroughly
- 2 Replace the throttle body assembly
- 3 Clean connector contacts
- 4 Perform a throttle relearn procedure or PCM update
Estimated Repair Cost
USD
$50
–
$600
Cleaning/Relearn: $80 - $150; Throttle body: $300 - $600