Dodge Dakota (ND). Manual — part 526
B2203–ROM CHECKSUM PERFORMANCE
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
With the ignition on.
•
Set Condition:
The Hands Free Module detects a fault during an internal diagnostic check.
Possible Causes
HANDS FREE MODULE
Diagnostic Test
1.
REPLACE THE HANDS FREE MODULE IF DTC IS ACTIVE
With the scan tool, read the active DTC’s.
Cycle the ignition switch from off to on at least 5 times, leaving the ignition on for a minimum of 90 seconds per
cycle.
With the scan tool, read the active DTC’s.
Does the scan tool display this DTC as active?
Yes
>> 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
>> If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring harness con-
nectors. Look for broken, bent, pushed out, or corroded terminals.
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NAVIGATION/TELECOMMUNICATION - ELECTRICAL DIAGNOSTICS
ND
B2205–ORIGINAL VIN MISSING/MISMATCH
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
With the ignition on.
•
Set Condition:
The Hands Free Module will receive and monitor the VIN message from the PCM and record the VIN if dif-
ferent from the last VIN.
Possible Causes
INCORRECT VIN PROGRAMMED IN PCM
HANDS FREE MODULE
Diagnostic Test
1.
CHECK FOR ACTIVE DTCS
With the scan tool, read the active DTC’s.
Cycle the ignition switch from off to on at least 5 times, leaving the ignition on for a minimum of 90 seconds per
cycle.
With the scan tool, read the active DTC’s.
Does the scan tool display this DTC as active?
Yes
>> Go To 2
No
>> If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring harness con-
nectors. Look for broken, bent, pushed out, or corroded terminals.
2.
CHECK VIN IN PCM
With the scan tool compare the VIN that is programmed into the PCM to the VIN on the vehicle.
Does the VIN programmed into the PCM match the vehicles VIN?
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
>> Program the correct VIN in the PCM and retest the HFM system.
ND
NAVIGATION/TELECOMMUNICATION - ELECTRICAL DIAGNOSTICS
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B222A-VEHICLE LINE MISMATCH
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
With the ignition on.
•
Set Condition:
The Hands Free Module will receive and monitor the vehicle line message from the PCM and record the vehi-
cle line if different from the last vehicle line.
Possible Causes
INCORRECT PCM
HANDS FREE MODULE
Diagnostic Test
1.
CHECK FOR ACTIVE DTC
With the scan tool, read the active DTC’s.
Cycle the ignition switch from off to on at least 5 times, leaving the ignition on for a minimum of 90 seconds per
cycle.
With the scan tool, read the active DTC’s.
Does the scan tool display this DTC as active?
Yes
>> Go To 2
No
>> If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring harness con-
nectors. Look for broken, bent, pushed out, or corroded terminals.
2.
CHECK VEHICLE LINE IN PCM
With the scan tool compare the vehicle line that is programmed into the PCM to the vehicle line of the vehicle.
Does the vehicle line programmed into the PCM match the vehicle?
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
>> Replace and program the Powertrain Control Module in accordance with the service information. Ensure
the PCM is replaced with the correct vehicle line PCM.
Perform (NGC) POWERTRAIN VERIFICATION TEST VER - 5.
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NAVIGATION/TELECOMMUNICATION - ELECTRICAL DIAGNOSTICS
ND
B222E–FLASH CHECKSUM PERFORMANCE
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
With the ignition on.
•
Set Condition:
The Hands Free Module detects a fault during an internal diagnostic check.
Possible Causes
HANDS FREE MODULE
Diagnostic Test
1.
REPLACE THE HANDS FREE MODULE IF DTC IS ACTIVE
With the scan tool, read the active DTC’s.
Cycle the ignition switch from off to on at least 5 times, leaving the ignition on for a minimum of 90 seconds per
cycle.
With the scan tool, read the active DTC’s.
Does the scan tool display this DTC as active?
Yes
>> 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
>> If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring harness con-
nectors. Look for broken, bent, pushed out, or corroded terminals.
ND
NAVIGATION/TELECOMMUNICATION - ELECTRICAL DIAGNOSTICS
8T - 47
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