P2508

ECM/PCM Power Input Signal High

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–278 (est.)

Symptoms

Check Engine Light Is On
Unstable engine operation
Problems starting the engine
Malfunctions of the car's electronic systems
Reduced engine power

Causes

Faulty generator
Problems with the voltage regulator
Short circuit in the ECU power supply circuit
Oxidized or damaged contacts
Damaged wiring

How to Fix

Check the generator voltage at idle and under load
Inspect and clean the contacts in the ECU power supply circuit
Check wiring integrity
Test the voltage regulator
If necessary, replace the generator or voltage regulator

Related codes

P2507 P2509 P2510