Chrysler Pacifica. Manual — part 261
Symptom List:
BLUETOOTH ERROR
FLASH CHECKSUM ERROR
FLASH WRITE ERROR
PCI BUS INTERNAL ERROR
RAM WRITE ERROR
ROM CHECKSUM ERROR
Test Note:
All symptoms listed above are diagnosed using the same tests.
The title for the tests will be BLUETOOTH ERROR.
When Monitored and Set Condition:
BLUETOOTH ERROR
When Monitored:
With the ignition on.
Set Condition:
The Hands Free Module detects a fault during an internal diagnostic
check.
FLASH CHECKSUM ERROR
When Monitored:
With the ignition on.
Set Condition:
The Hands Free Module detects a fault during an internal diagnostic
check.
FLASH WRITE ERROR
When Monitored:
With the ignition on.
Set Condition:
The Hands Free Module detects a fault during an internal diagnostic
check.
PCI BUS INTERNAL ERROR
When Monitored:
With the ignition on.
Set Condition:
The Hands Free Module detects a fault during an internal diagnostic
check.
RAM WRITE ERROR
When Monitored:
With the ignition on.
Set Condition:
The Hands Free Module detects a fault during an internal diagnostic
check.
ROM CHECKSUM ERROR
When Monitored:
With the ignition on.
Set Condition:
The Hands Free Module detects a fault during an internal diagnostic
check.
1041
TELECOMMUNICATION
POSSIBLE CAUSES
HFM INTERNAL DTC FAILURE
TEST
ACTION
APPLICABILITY
1
NOTE: This trouble code indicates an internal Hands Free Module fault.
With the DRBIII
t, read and record the HFM DTCs and then erase the DTCs.
Perform 5 ignition key cycles, leaving the ignition key on for a minimum of 90 seconds
per cycle.
With the DRBIII
t, read the DTCs.
Did the same DTC return?
All
Yes
→ Replace and program the Hands Free Module in accordance with
the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Test Complete.
1042
TELECOMMUNICATION
BLUETOOTH ERROR —
Continued
Symptom List:
BODY STYLE MESSAGE NOT RECEIVED
INVALID BODY STYLE
Test Note:
All symptoms listed above are diagnosed using the same tests.
The title for the tests will be BODY STYLE MESSAGE NOT
RECEIVED.
When Monitored and Set Condition:
BODY STYLE MESSAGE NOT RECEIVED
When Monitored:
With the ignition on.
Set Condition:
The Hands Free Module does not receive the body style message from the
PCM.
POSSIBLE CAUSES
ATTEMPT TO COMMUNICATE WITH THE PCM
CHECK PCM IS ACTIVE ON BUS
MODULE
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, attempt to communicate with the PCM.
Was the DRBIII
t able to I/D or communicate with the PCM?
All
Yes
→ Go To 2
No
→ Refer to the Communication category for the related symptom(s).
Perform BODY VERIFICATION TEST - VER 1.
2
Turn the ignition on.
With the DRBIII
t, select System Monitors then J1850 Module Scan.
Is the PCM one of the modules present on the bus?
All
Yes
→ Go To 3
No
→ Refer to the Communication category for the related symptom(s).
Perform BODY VERIFICATION TEST - VER 1.
3
With the DRBIII
t, erase DTC’s.
Cycle the ignition switch from off to on and wait approximately 1 minute.
With the DRBIII
t, read DTC’s.
Did this DTC reset?
All
Yes
→ Replace and program the Hands Free Module in accordance with
the service information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Test Complete.
1043
TELECOMMUNICATION
Symptom:
GENERAL MICROPHONE FAULT
POSSIBLE CAUSES
HANDS FREE MODULE
MICROPHONE CIRCUITS OPEN
MICROPHONE CIRCUITS SHORT TO GROUND
MICROPHONE CIRCUITS SHORT TO VOLTAGE
MICROPHONE CIRCUITS SHORTED TOGETHER
REAR VIEW MIRROR
INTERMITTENT CONDITION
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, erase DTCs.
Attempt to make a phone call using the system.
With the DRBIII
t, read DTCs.
Does the DRBIII
t display this DTC?
All
Yes
→ Go To 2
No
→ Go To 7
2
Turn the ignition off.
Disconnect the Rear View Mirror harness connector.
Disconnect the Hands Free Module harness connector.
Measure the resistance of each Microphone circuit between the HFM connector and
the rear view mirror connector.
Is the resistance below 10.0 ohms for each measurement?
All
Yes
→ Go To 3
No
→ Repair the Microphone circuits for an open.
Perform BODY VERIFICATION TEST - VER 1.
3
Turn the ignition off.
Disconnect the Rear View Mirror harness connector.
Disconnect the Hands Free Module harness connector.
Measure the resistance between ground and each Microphone circuit.
Is the resistance above 1000.0 ohms for each measurement?
All
Yes
→ Go To 4
No
→ Repair the Microphone circuits for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
1044
TELECOMMUNICATION
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