Operation CHARM
: Car repair manuals for everyone.
Home
>>
Jeep
>>
2003
>>
Wrangler L4-2.4L VIN P
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Computers and Control Systems
>>
Testing and Inspection
>>
Symptom Related Diagnostic Procedures
>>
Communication Problems
>>
No Response From PCM (PCI Bus)
No Response From PCM (PCI Bus)
Test 1 - 2:
SYMPTOM
NO RESPONSE FROM
PCM
(
PCI BUS
)
POSSIBLE CAUSES
-
PCM
PCI
no response
-
PCI bus
circuit open
-
Powertrain control module
