P00B7 GMC – Engine Coolant Flow Low/Performance

P00B7 GMC Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light),Engine overheating,Poor heater performance

P00B7 GMC Possible Causes

Faulty thermostat (stuck closed),Low engine coolant,Faulty Coolant temperature sensor

P00B7 GMC Description

The Powertrain Control Module (PCM) monitors the Engine Coolant Flow. The PCM sets the OBDII code when the Engine Coolant Flow is out of factory specifications.