P1A08 FORD – Generator Mode Signal

P1A08 FORD Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P1A08 FORD Possible Causes

Faulty Transmission Control Module (TCM),Faulty Powertrain Control Module (PCM)

P1A08 FORD Description

The Transmission Control Module (TCM) continuously monitors the Controlled Area Network (CAN) network for a generator mode message from the Powertrain Control Module (PCM). This code is set when the received message does not match the actual generator mode.