OBD-II Generic Error Code P0514: How to Fix It
Easy 30-60 minutes Medium Severity
Verified June 2026
- Error Code
- P0514
- Brand
- OBD-II Generic
- Product Type
- automotive
- Severity
- Medium
- DIY Difficulty
- Easy
- Estimated Fix Time
- 30-60 minutes
Ad
Tools You'll Need
- OBD2 scanner
- Multimeter
- Socket set
- Safety gloves and goggles
How to Fix Error Code P0514
-
Scan and Clear the Code
-
Inspect the Battery Temperature Sensor
Disconnect the negative battery terminal before inspecting to avoid electrical shock or short circuits. -
Test the Sensor Resistance
-
Check Wiring and Connections
-
Replace the Battery Temperature Sensor
Ensure the new sensor is correctly positioned and secured to prevent false readings. -
Clear Codes and Test Drive
Parts You May Need
Battery temperature sensor
Check Price on Amazon
Wiring harness connectors
Check Price on Amazon
Battery temperature sensor
Check Price on Amazon
Wiring harness connectors
Check Price on Amazon
Battery temperature sensor
Check Price on Amazon
Wiring harness connectors
Check Price on Amazon
Battery temperature sensor
Check Price on Amazon
Wiring harness connectors
Check Price on Amazon
Ad
When to Call a Professional
If the code persists after replacing the sensor and checking wiring, the issue may be with the ECM or deeper electrical system. A professional mechanic can perform advanced diagnostics and repairs.Frequently Asked Questions
Can I drive my car with the P0514 code?
Yes, but it is not recommended for long trips. The code indicates a potential problem with battery temperature monitoring, which may affect charging and battery life. It's best to diagnose and fix the issue promptly.
What causes the P0514 code?
Common causes include a faulty battery temperature sensor, damaged wiring or connector, corrosion, or a short circuit in the sensor circuit.
How much does it cost to fix the P0514 code?
Replacing the sensor typically costs between $20-$60 for the part. Labor at a shop can add $50-$100. DIY is much cheaper, only the cost of the sensor and tools.
Will the P0514 code clear itself?
The code may clear after several drive cycles if the issue is intermittent, but it will return if the underlying problem persists. Clearing with a scanner is more reliable.
Is the battery temperature sensor important?
Yes, it helps the ECM regulate charging voltage based on temperature. A faulty sensor can cause overcharging or undercharging, damaging the battery or affecting vehicle performance.