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• When Monitored: • Set Condition: Possible Causes (D506) LIN BUS CIRCUIT OPEN (D506) LIN BUS CIRCUIT SHORT TO GROUND CLUSTER Diagnostic Test 1. CHECK FOR AN ACTIVE DTC Turn the ignition on. With the scan tool, record and erase DTCs. Wait 30 seconds. With the scan tool, read DTCs. Does the scan tool display: U1008–LIN 1 BUS? Yes >> Go To 2 No >> The condition that caused this code to set is not present at this time. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL 2. SHORTED COMPONENT NOTE: After disconnecting each component, check DTCs with the Disconnect the Switch Bank Module harness connector. Disconnect the Remote Compass Module harness connector. Disconnect the Heated Seat Module harness connector. Disconnect the Steering Control Module C1 harness connector. With each component disconnected, did the DTC U1008–LIN 1 Yes >> Replace the component that caused the DTC U1008–LIN 1 BUS change from active to stored. Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - CONTROL MODULES - STANDARD PROCEDURE) No >> Go To 3 PM INSTRUMENT CLUSTER - ELECTRICAL DIAGNOSTICS 8J - 41 |