Lost Communication With Accessory Protocol Interface Module
Table of contents
U0253 FORD Possible Causes
- Faulty Accessory Protocol Interface Module (APIM)
- Accessory Protocol Interface Module (APIM) harness is open or shorted
- Accessory Protocol Interface Module (APIM) circuit poor electrical connection
How do I fix code U0253 FORD?
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.
Cost of diagnosing the U0253 FORD code
The cost of diagnosing the U0253 FORD 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)
U0253 FORD Description
The Accessory Protocol Interface Module (APIM) communicates with the scan tool through the High Speed Controller Area Network (HS-CAN). The Powertrain Control Module (PCM) monitors the APIM. The PCM sets the OBDII code when the APIM is not to factory specifications.