For a complete wiring diagram Refer to Section 8W.When Monitored:With the ignition on.Set Condition:The Totally Integrated Power Module (TIPM) Detects a LOW condition.Possible Causes(L674) RIGHT TRAILER TOW LAMP CONTROL CIRCUIT SHORT TO GROUNDTOTALLY INTEGRATED POWER MODULE1. INTERMITTENT CONDITIONTurn the ignition on.With the scan tool, clear all DTC's.Turn on the Right Turn Signal.With the scan tool, read DTC's.Does the scan tool display active: B166F-RIGHT TRAILER TOW LAMP CONTROL CIRCUIT LOW?YesGo To 2NoThe condition that caused this symptom is currently not present. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Repair as necessary.Perform the BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE) 2. (L674) RIGHT TRAILER TOW LAMP CONTROL CIRCUIT SHORT TO GROUNDTurn the ignition off.Disconnect the TIPM C6 harness connector.Measure the resistance between ground and the (L674) Right Tailer Tow Lamp Control circuit.Is the resistance above 10k ohms?YesReplace the Totally Integrated Power Module (TIPM) in accordance with the Service Information.Perform the BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE) NoRepair the (L674) Right Tailer Tow Lamp Control circuit for a short to ground.Perform the BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)