Dodge Ram Truck 1500-2500-3500. Manual — part 610

BLUETOOTH ERROR

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.

ERASE DTC AND ATTEMPT TO RESET

Turn the ignition on.

With the DRB, read and record the HFM DTC’s and then erase the DTC’s.

Perform 5 ignition key cycles, leaving the ignition key on for a minimum of 90 seconds per cycle.

With the DRB, read the HFM DTC’s.

Did this DTC reset?

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

>> The condition that set this DTC is no longer present. Using the wiring diagram/schematic as a guide,

inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness con-
nectors for broken, bent, pushed out, and corroded terminals.

8T - 4

NAVIGATION/TELECOMMUNICATION - ELECTRICAL DIAGNOSTICS

DR/DH

BODY STYLE MESSAGE NOT RECEIVED

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:
With the ignition on.

•

Set Condition:
The Hands Free Module does not receive the body style message from the PCM.

Possible Causes

LOST COMMUNICATION WITH PCM

PCM NOT ACTIVE ON THE PCI BUS

HANDS FREE MODULE

Diagnostic Test

1.

ATTEMPT TO COMMUNICATE WITH THE PCM

Turn the ignition on.

With the DRB, attempt to communicate with the PCM.

Was the DRB able to communicate with the PCM?

Yes

>> Go To 2

No

>> (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) and

perform the related symptom.

2.

CHECK PCM ACTIVITY ON THE PCI BUS

With the DRB, select System Monitors then J1850 Module Scan.

Does the DRB indicated that the PCM is present or active on the PCI Bus?

Yes

>> Go To 3

No

>> (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) and

perform the related symptom.

3.

ERASE DTC AND ATTEMPT TO RESET

With the DRB, erase the HFM DTC’s.

Cycle the ignition switch from off to on and wait approximately 1 minute.

With the DRB, read the HFM DTC’s.

Did this DTC reset?

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

>> The condition that set this DTC is no longer present. Using the wiring diagram/schematic as a guide,

inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness con-
nectors for broken, bent, pushed out, and corroded terminals.

DR/DH

NAVIGATION/TELECOMMUNICATION - ELECTRICAL DIAGNOSTICS

8T - 5

FLASH CHECKSUM ERROR

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.

ERASE DTC AND ATTEMPT TO RESET

Turn the ignition on.

With the DRB, read and record the HFM DTC’s and then erase the DTC’s.

Perform 5 ignition key cycles, leaving the ignition key on for a minimum of 90 seconds per cycle.

With the DRB, read the HFM DTC’s.

Did this DTC reset?

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

>> The condition that set this DTC is no longer present. Using the wiring diagram/schematic as a guide,

inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness con-
nectors for broken, bent, pushed out, and corroded terminals.

8T - 6

NAVIGATION/TELECOMMUNICATION - ELECTRICAL DIAGNOSTICS

DR/DH

FLASH WRITE ERROR

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.

ERASE DTC AND ATTEMPT TO RESET

Turn the ignition on.

With the DRB, read and record the HFM DTC’s and then erase the DTC’s.

Perform 5 ignition key cycles, leaving the ignition key on for a minimum of 90 seconds per cycle.

With the DRB, read the HFM DTC’s.

Did this DTC reset?

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

>> The condition that set this DTC is no longer present. Using the wiring diagram/schematic as a guide,

inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness con-
nectors for broken, bent, pushed out, and corroded terminals.

DR/DH

NAVIGATION/TELECOMMUNICATION - ELECTRICAL DIAGNOSTICS

8T - 7