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• When Monitored: • With the Stop Lamps Activated. • Set Condition: • When the TIPM detects a HIGH condition. Possible Causes (L55) STOP LAMP CONTROL CIRCUIT OPEN LEFT AND/OR RIGHT STOP LAMP BULBS TOTALLY INTEGRATED POWER MODULE Diagnostic Test 1. INTERMITTENT CONDITION Turn the ignition on. With the Scan Tool, clear all TIPM DTC’s. Turn the Stop Lamps on. With the Scan Tool read the DTC information. Does the Scan Tool read: B1786-STOP LAMP CONTROL CIRCUIT OPEN? Yes >> Go To 2 No >> The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires. Perform the BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON- 2. STOP LAMP BULBS Turn the ignition off. Inspect the Left and Right Stop Lamp Bulb Assemblies. Are the inoperative bulbs OK? Yes >> Go To 3 No >> Replace the Inoperative bulb or bulbs in accordance with the service information. Perform the BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON- PM LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS 8L - 69 |