Dodge Ram Truck 1500-2500-3500. Manual — part 619
MIRROR POWER CIRCUIT SHORT TO VOLTAGE (CONTINUED)
4.
INSIDE REARVIEW MIRROR
Replace the Inside Rearview Mirror in accordance with the service information.
Turn the ignition on.
With the DRB, erase the HFM DTCs.
Attempt to make a phone call using the system.
With the DRB, read the HFM DTCs.
Did this DTC reset?
Yes
>> Inspect the wiring and connectors for damage or shorted circuits. If ok, replace and program the Hands
Free Module in accordance with the service information.
Perform BODY VERIFICATION TEST - VER 1. (Refer to BODY VERIFICATION TEST - VER 1.)
No
>> Repair is complete.
Perform BODY VERIFICATION TEST - VER 1. (Refer to BODY VERIFICATION TEST - VER 1.)
8T - 40
NAVIGATION/TELECOMMUNICATION - ELECTRICAL DIAGNOSTICS
DR/DH
PCI BUS BUSY
DR/DH
NAVIGATION/TELECOMMUNICATION - ELECTRICAL DIAGNOSTICS
8T - 41
PCI BUS BUSY (CONTINUED)
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
With the ignition on.
•
Set Condition:
The Hands Free Module detected a fault on the (D25) PCI Bus circuit.
Possible Causes
(D25) PCI BUS CIRCUIT FAULT
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 - 42
NAVIGATION/TELECOMMUNICATION - ELECTRICAL DIAGNOSTICS
DR/DH
PCI BUS CIRCUIT OPEN
DR/DH
NAVIGATION/TELECOMMUNICATION - ELECTRICAL DIAGNOSTICS
8T - 43
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