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P2107 Throttle Actuator Control
Throttle Actuator Control Module Processor
P2107 means the ECM detected an internal processor fault in the throttle actuator control module, so it cannot reliably manage the electronic throttle.
🚗 Not recommended. An internal throttle control processor fault can disable the throttle.
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🎯 Top Causes, Ranked by Likelihood
#1 Internal ECM / throttle control module fault $300-$1500
A failed internal processor is the most common cause.
#2 Poor ECM power or ground $50-$300
Bad power or ground can cause processor faults.
#3 Corroded ECM connector $0-$200
Corrosion at the ECM connector disrupts operation.
#4 Software or calibration issue $100-$400
An outdated or corrupt calibration triggers the fault.
🩺 Common Symptoms Reduced power / limp mode Check engine light No or erratic throttle response Stalling Hard starting 💰 Repair Cost: DIY vs Shop
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🔧 How to Diagnose P2107 1 Verify ECM power and ground circuits
2 Inspect and clean the ECM connectors
3 Check for available ECM software updates
4 Reprogram or replace the ECM if the processor fault persists
❓ Frequently Asked Questions Can I drive with a P2107 code?
Avoid it. This internal fault can cause limp mode or loss of throttle control.
How much does it cost to fix P2107?
If the ECM must be replaced, expect $200-$1800 including programming.
Does P2107 mean I need a new ECM?
Often yes, but first verify power, grounds, and connectors, since those can mimic the fault.
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