P0626 - OBD II Trouble Code

Our automotive experts have put together the following information about the P0626 diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P0626 code.

OBD II Fault Code

• OBD II P0626

OBD-II Code Engine may not start is defined as a Generator Field/F Terminal Circuit High

The Alternator recharges the Battery when the engine is running. The Alternator is controlled by the engine control module (PCM). If the PCM detects an incorrect signal from the Alternator, the PCM will set code P0626.

Engine may not start Symptoms

• Engine may not start
• Engine may stall

Common Problems That Trigger the P0626 Code

• Alternator failure
• Battery failure
• Powertrain Control Module (PCM) failure
• Wiring issue

Common Repairs Needed for the P0626 Code

• Alternator Replacement