P081A OBD-II: Starter Disable Circuit Low

OBD II Fault Code

• OBD II P081A

OBD-II Code Engine may not start is defined as a Starter Disable Circuit Low

The engine computer (PCM) verifies that the transmission is in Park/Neutral before allowing the vehicle to crank. If the Transmission Control Module does not tell the PCM it is okay to crank the vehicle, code P081A will be set.

Engine may not start Symptoms

• Engine may not start

Common Problems That Trigger the P081A Code

• Powertrain Control Module (PCM) failure
• Transmission Control Module (TCM) failure
• Wiring issue