Dodge Ram Truck 1500-2500-3500. Manual — part 620
PCI BUS CIRCUIT OPEN (CONTINUED)
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
With the ignition on.
•
Set Condition:
The Hands Free Module detected an open on the (D25) PCI Bus circuit.
Possible Causes
(D25) PCI BUS CIRCUIT OPEN
HANDS FREE MODULE
Diagnostic Test
1.
CHECK FOR AN INTERMITTENT CONDITION
NOTE: For this code to be active, the DRBIII
T
will not be able to communicate with any modules on the
vehicle (except the PCM/ECM).
NOTE: Clear the DTC. If this DTC continues to set and the DRBIII
T
can still communicate with the module,
it will be necessary to replace the module.
NOTE: The conditions that set the DTC are not present at this time. The following list may help in identi-
fying the intermittent condition.
With the engine running at normal operating temperature, wiggle the wiring harnesses. This is to try and duplicate
the complete bus failure condition.
Refer to any Technical Service Bulletins (TSB) that may apply.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or partially broken wires.
Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
Were any of the above conditions present?
Yes
>> Repair as necessary.
Perform BODY VERIFICATION TEST - VER 1. (Refer to BODY VERIFICATION TEST - VER 1.)
No
>> Test complete.
8T - 44
NAVIGATION/TELECOMMUNICATION - ELECTRICAL DIAGNOSTICS
DR/DH
PCI BUS CIRCUIT SHORT TO GROUND
DR/DH
NAVIGATION/TELECOMMUNICATION - ELECTRICAL DIAGNOSTICS
8T - 45
PCI BUS CIRCUIT SHORT TO GROUND (CONTINUED)
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
With the ignition on.
•
Set Condition:
The Hands Free Module detected a short to ground on the (D25) PCI Bus circuit.
Possible Causes
(D25) PCI BUS CIRCUIT SHORTED TO GROUND
HANDS FREE MODULE
Diagnostic Test
1.
CHECK FOR AN INTERMITTENT CONDITION
NOTE: For this code to be active, the DRBIII
T
will not be able to communicate with any modules on the
vehicle (except the PCM/ECM).
NOTE: Clear the DTC. If this DTC continues to set and the DRBIII
T
can still communicate with the module,
it will be necessary to replace the module.
NOTE: The conditions that set the DTC are not present at this time. The following list may help in identi-
fying the intermittent condition.
With the engine running at normal operating temperature, wiggle the wiring harnesses. This is to try and duplicate
the complete bus failure condition.
Refer to any Technical Service Bulletins (TSB) that may apply.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or partially broken wires.
Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
Were any of the above conditions present?
Yes
>> Repair as necessary.
Perform BODY VERIFICATION TEST - VER 1. (Refer to BODY VERIFICATION TEST - VER 1.)
No
>> Test complete.
8T - 46
NAVIGATION/TELECOMMUNICATION - ELECTRICAL DIAGNOSTICS
DR/DH
PCI BUS CIRCUIT SHORT TO VOLTAGE
DR/DH
NAVIGATION/TELECOMMUNICATION - ELECTRICAL DIAGNOSTICS
8T - 47
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