B1257 Code - Air Temperature External Sensor Circuit Short To Ground
|B1257 code possible causes
- Faulty Air Temperature External Sensor
- Air Temperature External Sensor harness is open or shorted
- Air Temperature External Sensor circuit poor electrical connection
|How is the B1257 code repair?Start by checking 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.
|What is the cost to diagnose the B1257 code
Labor: 1.0The cost to diagnose the B1257 code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
|What are B1257 code possible symptoms?
- Engine Light ON (or Service Engine Soon Warning Light)
|What is B1257 code meaning?The Powertrain Control Module (PCM) monitors the Air Temperature External Sensor. The PCM sets the OBDII code when the Air Temperature External Sensor is not to factory specifications.
|Need more information with the B1257 code?Need more information on how to fix the B1257 code?
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