Positive Temperature Coefficient Heater Circuit Short
Table of contents
B10EA MERCURY Possible Causes
- Faulty Electric Booster Heater
- Electric Booster Heater harness is open or shorted
- Electric Booster Heater circuit poor electrical connection
- Faulty Body Control Module (BCM)
How do I fix code B10EA MERCURY?
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.
Tech Notes
- B10EA:12 Positive Temperature Coefficient Heater: Circuit Short To Battery
- B10EA:14 Positive Temperature Coefficient Heater: Circuit Short To Ground or Open
Cost of diagnosing the B10EA MERCURY code
The cost of diagnosing the B10EA MERCURY 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)
B10EA MERCURY Description
The Body Control Module (BCM) monitors the Electric Booster Heater. The BCM sets the OBDII code when the BCM detects a short to voltage or ground on the heater control circuit.