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Code 15: TCL Switch Failure

NOTE: Code 15 is output when an ON signal is input simultaneously from both ON and OFF positions of switch due to internal short

Disconnect TCL switch harness connector. Inspect switch operation. See TCL SWITCH under COMPONENT TESTING. Replace switch as needed. If switch is okay, check continuity of circuits between TCL module and switch. Inspect and repair circuits as needed. If continuity exists in both circuits, replace TCL module and retest.

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