P2508 OBD-II: ECM/PCM Power Input Signal High

P2508 Severity

Urgent

Should you fix P2508 yourself?

Identifying an OBD code is just the start of a complete diagnostic routine. Most trouble codes are caused by a sensor reporting a value that is out of range. Just replacing a sensor may not fix underlying issues. Be sure to understand the code, the part or system in your car that the code refers to, and the risks of delaying professional repair.

Proper diagnosis will save you time and money on unnecessary repairs.

Urgent codes indicate immediate action is necessary. These are urgent and significant malfunctions that can cause severe damage to the vehicle or harm the driver and passengers.

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What causes OBD-II fault code P2508?

The engine computer (PCM) relies on a constant power supply from the Battery. If the PCM does not have sufficient power supply, code P2508 will be set.

OBD II Fault Code

OBD II P2508

OBD-II Code Engine may not start is defined as a ECM/PCM Power Input Signal High

The engine computer (PCM) relies on a constant power supply from the Battery. If the PCM does not have sufficient power supply, code P2508 will be set.

Engine may not start Symptoms

Engine may not start
Engine may stall

Common Problems That Trigger the P2508 Code

Powertrain Control Module (PCM) failure
Powertrain Control Module (PCM) power relay failure
Wiring issue

OBD Code Resources

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OBD II Fault Code

OBD II P2508

OBD-II Code Engine may not start is defined as a ECM/PCM Power Input Signal High

The engine computer (PCM) relies on a constant power supply from the Battery. If the PCM does not have sufficient power supply, code P2508 will be set.

Engine may not start Symptoms

Engine may not start
Engine may stall

Common Problems That Trigger the P2508 Code

Powertrain Control Module (PCM) failure
Powertrain Control Module (PCM) power relay failure
Wiring issue

P2508 OBD-II: ECM/PCM Power Input Signal High

Should you fix P2508 yourself?

What causes OBD-II fault code P2508?

Need a P2508 diagnosis? Trust our experts.

OBD II Fault Code

Engine may not start Symptoms

Common Problems That Trigger the P2508 Code

OBD Code Resources

Need a P2508 diagnosis? Trust our experts.

Ask our experts about P2508.

Other OBD-II Codes

OBD II Fault Code

Engine may not start Symptoms

Common Problems That Trigger the P2508 Code