B17C5 JEEP – Trailer Tow Reverse Lamp Control Circuit Short To Battery

B17C5 JEEP Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

B17C5 JEEP Possible Causes

Faulty Trailer Tow Reverse Lamp,Trailer Tow Reverse Lamp harness is open or shorted,Trailer Tow Reverse Lamp circuit poor electrical connection,Faulty Body Control Module (BCM)

B17C5 JEEP Description

Four relays are used to provide voltage to the Trailer Tow connector. The trailer tow relays are used to switch fused battery voltage directly to the Trailer Tow connector when requested. The trailer tow relays are activated through a ground path provided by the Body Control Module (BCM). The BCM sets the OBDII code when it detects a short to voltage on the Trailer Reverse Lamp Control circuit.