P2507

ECM/PCM Power Input Signal Low

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$6–111 (est.)

Symptoms

Unstable engine operation
Difficulty starting the engine
Power Loss
Check Engine Light Is On
Malfunctions of electronic systems

Causes

Weak or faulty battery
Problems with the generator
Damaged wiring or poor contacts
Faulty relays or fuses
Problems with the ECU itself

How to Fix

Check battery and generator voltage
Inspect the wiring harness and contacts for damage
Check the relays and fuses associated with the ECU power supply
Test the ECU for faults
Replace faulty components

Related codes

P2506 P2508 P2509