P0652 OBD-II: Sensor Reference Voltage "B" Circuit Low
P0652 Severity
Will P0652 go away on its own?
Once the vehicle's onboard system no longer detects the issue, most codes will disappear on their own. If your vehicle still has this code, however, it should be properly diagnosed to avoid a more serious problem.
For a proper diagnosis, RepairPal Certified shops have the equipment, tools, and expertise.
Moderate severity codes might not threaten the vehicle's safety or functionality immediately, but you should still get it diagnosed within a reasonable time frame to keep your car running well.
What causes OBD-II fault code P0652?
The engine control module (PCM) sends out a 5 volt reference signal to all applicable engine sensors. If the PCM detects an issue with this signal, it will set code P0652.
What Does P0652 Code Mean?
OBD-II Code P0652 is defined as a Sensor Reference Voltage "B" Circuit Low
The engine control module (PCM) sends out a 5 volt reference signal to all applicable engine sensors. If the PCM detects an issue with this signal, it will set code P0652.
P0652 Symptoms
- Engine may not start
Common Problems That Trigger the P0652 Code
- Engine sensor failure
- Powertrain Control Module (PCM) failure
- Wiring issue
Ask our experts about P0652.
RepairPal Car Genius™ is a free resource for vehicle owners seeking advice on maintenance, auto repair, shop inquiries, estimates, and finding a trustworthy repair shop in your area.
Call us at 877-913-1554
Available 9am – 6pm ET Monday through Friday
