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Left Front Turn Signal Output Short

NOTE: After making any repairs, perform BODY VERIFICATION TEST  under VERIFICATION TESTS.
  1. Turn the ignition on. With the DRBIII®, clear all BCM DTC's. Actuate the Turn Signals. With the DRBIII®, read the DTC information. If the DRBIII® reads: Left Front Turn Signal Output Short, go to the next step. If the DRBIII® does not read: Left Front Turn Signal Output Short, 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.
  2. Turn the ignition off. Disconnect the Left Front Turn Signal Lamp connector. See Figure. Disconnect the BCM C2 harness connector. See Figure. Measure the resistance between the Left Front Turn Signal Output circuit and ground. If the resistance is below 100 ohms, repair the Left Front Turn Signal Output circuit for a short to ground. If the resistance is above 100 ohms, go to the next step.
  3. Turn the ignition off. Disconnect the Left Front Turn Signal Lamp connector. See Figure. Turn the ignition on. Turn the Left Turn Signal on. Using a 12-volt test light connected to ground, check the Left Front Turn Signal Output circuit. If the test light illuminates brightly, replace the Turn Signal Lamp. If the test light does not illuminate brightly, replace the Body Control Module. See BODY CONTROL MODULE  under REMOVAL & INSTALLATION.
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