Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

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Heated Seats Inoperative Due to Key-In Ignition Switch Input

Test 1 - 3:




Test 4 - 5:






SYMPTOM
HEATED SEATS INOPERATIVE DUE TO KEY-IN IGNITION SWITCH INPUT

POSSIBLE CAUSES
- Observe the key-in ignition switch status
- Ignition switch open
- Key-in ignition switch ground circuit open
- Key-in ignition switch sense circuit open
- BCM-incorrect key-in ignition switch status