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Home >> Jeep >> 2003 >> Grand Cherokee 2WD V8-4.7L >> Repair and Diagnosis >> A L L Diagnostic Trouble Codes ( DTC ) >> Testing and Inspection >> Manufacturer Code Charts >> Vehicle Theft Security System >> Loopback Failure (Export)

Loopback Failure (Export)

Test 1:






SYMPTOM
LOOPBACK FAILURE (EXPORT ONLY)

TEST NOTE
This symptom is diagnosed using the test ITM - EEPROM FAILURE (EXPORT ONLY).

WHEN MONITORED
Continuously while the VTSS is armed, pre-armed or reset.


SET CONDITION
If an internal ITM bus test performed fails.

POSSIBLE CAUSES
- Intermittent condition
- Intrusion transceiver module