Mar. 09 2017
Mar. 09 2017

Vehicle: 2013 Hyundai Santa Fe, AWD, 2.0L Turbo, Automatic Transmission

Mileage: 49,889

Problem: The park assist system was inoperative. There was also no audio warning when the vehicle was in close proximity to objects in front of it.

Details: The vehicle had been in a front-end collision and was in the body shop for repairs. After the repairs were made and the vehicle returned to the customer, the vehicle was returned to the body shop because the park assist system was not working properly.

The Tech-Assist consultant advised the body shop tech to connect a scan tool and check for diagnostic trouble codes in the body control module (BCM). There were none so next they looked at live perimeter identification data (PID). In the BCM, the park assist sensor PID data showed a “Warning” message, which never changed whether something was in front of the vehicle or not.

The body shop tech removed the front bumper to gain access to the park assist sensor and found the green LIN BUS wire and the black ground wire were damaged and shorting together. The shorted wires were interrupting communication to the BCM.

Confirmed Repair: The body shop tech repaired the wires and retested the park assist system. It was fully operational.

The ALLDATA Tech-Assist team fields cases like this every day. See how Tech-Assist can help your shop save time and money with on-call diagnostic support from ASE-certified Master Technicians. More Tech Tips 

Not an ALLDATA customer? For access to this valuable experience-based repair data and reliable OEM information, start a free trial today.

If you would like to read more articles like this one please subscribe to ALLDATA News.

Sign up for ALLDATA News