For a complete wiring diagram Refer to Section 8W.When Monitored:ContinuouslySet Condition:The Totally Integrated Power Module (TIPM) Detects a HIGH condition.Possible Causes(L674) RIGHT TRAILER TOW LAMP CONTROL CIRCUIT OPEN(L674) RIGHT TRAILER TOW LAMP CONTROL CIRCUIT SHORTED TO VOLTAGETOTALLY INTEGRATED POWER MODULE1. TEST FOR INTERMITTENT CONDITIONTurn the ignition on.With the scan tool, clear all DTC'sTurn on the Right Turn Signal.With the scan tool, read DTC's.Does the scan tool display active: B1670-RIGHT TRAILER TOW LAMP CONTROL CIRCUIT HIGH?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 OPENTurn the ignition off.Disconnect the TIPM C6 harness connector.Disconnect the Right Trailer Tow Lamp harness connectors.Measure the resistance of the (L674) Right Trailer Tow Lamp Control circuit between the Right Trailer Tow Lamp harness connectors and the TIPM C6 harness connector.Does the ohm meter read open circuit?YesRepair the (L674) Right Trailer Tow Lamp Control circuit for an open.Perform the BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE) NoGo To 33. (L674) RIGHT TRAILER TOW LAMP CONTROL CIRCUIT SHORTED TO VOLTAGETurn the ignition on.Measure the voltage on the (L674) Right Trailer Tow Lamp Control circuit.Is there any voltage present?YesRepair the (L674) Right Trailer Tow Lamp Control circuit for a short to voltage.Perform the BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE) NoReplace 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)