Dodge Ram Truck 1500-2500-3500. Manual — part 576

INTERNAL FAULT

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:
With the ignition on.

•

Set Condition:
The SKIM has detected a fault during an internal self test.

Possible Causes

SKIM INTERNAL DTC FAILURE

Diagnostic Test

1.

SKIM INTERNAL DTC PRESENT

NOTE: Note: This trouble code indicates an internal SKIM fault.
With the scan tool, read and record the SKIM DTCs and then erase the SKIM DTCs

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

With the scan tool, read the SKIM DTCs.

Did the same SKIM DTC return?

Yes

>> Replace and program the Sentry Key Immobilizer Module in per Service Information.

Perform SKIS VERIFICATION. (Refer to 8 - ELECTRICAL/VEHICLE THEFT SECURITY - STANDARD
PROCEDURE)

No

>> Test complete, the conditions that set this DTC are not present at this time.

8Q - 6

VEHICLE THEFT SECURITY - ELECTRICAL DIAGNOSTICS

DR/DH

RAM FAILURE

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:
With the ignition on.

•

Set Condition:
The RAM fails a test that checks the RAM’s ability to retain memory.

Possible Causes

SKIM INTERNAL DTC FAILURE

Diagnostic Test

1.

SKIM INTERNAL DTC PRESENT

NOTE: Note: This trouble code indicates an internal SKIM fault.
With the scan tool, read and record the SKIM DTCs and then erase the SKIM DTCs

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

With the scan tool, read the SKIM DTCs.

Did the same SKIM DTC return?

Yes

>> Replace and program the Sentry Key Immobilizer Module in per Service Information.

Perform SKIS VERIFICATION. (Refer to 8 - ELECTRICAL/VEHICLE THEFT SECURITY - STANDARD
PROCEDURE)

No

>> Test complete, the conditions that set this DTC are not present at this time.

DR/DH

VEHICLE THEFT SECURITY - ELECTRICAL DIAGNOSTICS

8Q - 7

SERIAL LINK INTERNAL FAULT

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:
With the ignition on.

•

Set Condition:
The SKIM fails an internal J1850 communication self test.

Possible Causes

SKIM INTERNAL DTC FAILURE

Diagnostic Test

1.

SKIM INTERNAL DTC PRESENT

NOTE: Note: This trouble code indicates an internal SKIM fault.
With the scan tool, read and record the SKIM DTCs and then erase the SKIM DTCs

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

With the scan tool, read the SKIM DTCs.

Did the same SKIM DTC return?

Yes

>> Replace and program the Sentry Key Immobilizer Module in per Service Information.

Perform SKIS VERIFICATION. (Refer to 8 - ELECTRICAL/VEHICLE THEFT SECURITY - STANDARD
PROCEDURE)

No

>> Test complete, the conditions that set this DTC are not present at this time.

8Q - 8

VEHICLE THEFT SECURITY - ELECTRICAL DIAGNOSTICS

DR/DH

STOCK OVERFLOW FAILURE

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:
With the ignition on.

•

Set Condition:
The micro controller has exceeded its stack space limit.

Possible Causes

SKIM INTERNAL DTC FAILURE

Diagnostic Test

1.

SKIM INTERNAL DTC PRESENT

NOTE: Note: This trouble code indicates an internal SKIM fault.
With the scan tool, read and record the SKIM DTCs and then erase the SKIM DTCs

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

With the scan tool, read the SKIM DTCs.

Did the same SKIM DTC return?

Yes

>> Replace and program the Sentry Key Immobilizer Module in per Service Information.

Perform SKIS VERIFICATION. (Refer to 8 - ELECTRICAL/VEHICLE THEFT SECURITY - STANDARD
PROCEDURE)

No

>> Test complete, the conditions that set this DTC are not present at this time.

DR/DH

VEHICLE THEFT SECURITY - ELECTRICAL DIAGNOSTICS

8Q - 9