Courtesy Lamp Inoperative With Right Rear Door

Test 248 - 251:

SYMPTOM
* COURTESY LAMP INOPERATIVE WITH RIGHT REAR DOOR

TEST NOTE: All symptoms listed above are diagnosed using the same tests. The title for the tests will be * OPEN PASSENGER (RIGHT REAR) DOOR AJAR CIRCUIT.

POSSIBLE CAUSES
- Body 20-way connector defective (CAV16)
- Body control module DEF open input (CAV16)
- RR door ajar (closed) switch defective (closed)
- RR door ajar switch sense circuit defective open
- RR door switch ground strap corroded/damaged