Engine Coolant Flow Low/Performance
Table of contents
P00B7 GMC Possible Causes
- Faulty thermostat (stuck closed)
- Low engine coolant
- Faulty Coolant temperature sensor
How do I fix code P00B7 GMC?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P00B7 GMC code
The cost of diagnosing the P00B7 GMC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Engine overheating
- Poor heater performance
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.