P2555

Throttle/Fuel Inhibit A Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$6–167 (est.)

Symptoms

Loss of engine power
Inability to maintain speed
Cruise control doesn't work
The engine goes into emergency mode
Check engine light comes on

Causes

Open or short circuit to power in the control circuit
Brake pedal sensor malfunction
Clutch pedal sensor malfunction
Problems with the cruise control control module
Engine control unit (ECU) malfunction

How to Fix

Check the status of fuses associated with the system
Visually inspect the circuit wiring harness for damage.
Check the resistance and voltage in the control circuit using a multimeter
Test and, if necessary, replace brake and clutch pedal sensors
If necessary, replace the cruise control module or ECU

Related codes

P2556 P2554 P0571