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Diagnosis flow code: L

DIAGNOSTIC PROCEDURES CHART L

Step Action YES NO
1  Power and ground circuit check of control module that fails to communicate 
  1. Check power and ground circuits of control module that fails to communicate (BCM or ABS/ESP® control module).

Is it in good condition? 		 Substitute a known-good control module (BCM or ABS/ESP® control module) and recheck. Repair power and/or ground circuit.
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