P1256 Possible Causes
- Faulty Engine Coolant Temperature Sensor
- Engine Coolant Temperature Sensor harness is open or shorted
- Engine Coolant Temperature Sensor circuit poor electrical connection
First diagnose P1256 code
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 terminals.
Cost of diagnosing the P1256 code
Labor: 1.0The cost of diagnosing the P1256 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
P1256 Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1256 MeaningThe Engine Control Module (ECM) monitors the Engine Coolant Temperature Sensor. The ECM sets the OBDII code when the Engine Coolant Temperature Sensor is not to factory specifications.
P1256 More InformationNeed more information on how to fix the P1256 code?
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