Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 759

B1A20-PRE-ARM TIMEOUT

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:
During the VTSS pre-arm process.

•

Set Condition:
If the VTSS pre-arm sequence is interrupted within sixteen seconds after securing the vehicle.

Possible Causes

INTERMITTENT PROBLEM WITH FUSED (B+) TO CLUSTER

INTERMITTENT PROBLEM WITH CAN B BUS CIRCUITS TO CLUSTER

Diagnostic Test

1.

DETERMINING IF DTC IS CURRENT

NOTE: Diagnose any related Communication DTC(s) before continuing.

With a scan tool, read and record DTC(s).

With the scan tool, clear DTC(s).

Turn the ignition off and remove the key from the ignition.

Lock and close all doors to allow the VTSS to go from pre-arm to armed status and wait one minute.

Disarm the VTSS.

Using the scan tool, read DTC(s).

Does the DTC reset?

Yes

>> Remove the Cluster and inspect the Fused B (+) and both CAN B BUS circuits for spread terminals or

intermittent opens.

Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE)

No

>> DTC is not active at this time. Test complete.

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B1A24–KEY NOT PROGRAMMED

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:
With the ignition on.

Possible Causes

KEY NOT PROGRAMMED

SENTRY KEY REMOTE ENTRY MODULE (SKREEM)

Diagnostic Test

1.

PROGRAM ALL OF THE IGNITION KEYS

Turn the ignition on.

With the scan tool, attempt to program the key(s) into the SKREEM.

Was the programming of the key(s) successful?

Yes

>> Perform SKREEM VERIFICATION TEST. (Refer to 8 - ELECTRICAL/VEHICLE THEFT SECURITY -

STANDARD PROCEDURE).

No

>> Replace the ignition key and attempt to program it into the SKREEM. If the DTC resets, replace and

program the SKREEM in accordance with the Service Information.

NOTE: If this vehicle is equipped with a Steering Column Lock Module, it must be replaced along with the
SKREEM.

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

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VEHICLE THEFT SECURITY - ELECTRICAL DIAGNOSTICS

8Q - 5

B1A25-INVALID KEY

For a complete wiring diagram Refer to Section 8W.

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•

When Monitored:
At ignition on and during Key Programming Mode.

•

Set Condition:
When the SKREEM does not receive a transponder response after 8 consecutive transponder read attempts
within 2.0 seconds.

Possible Causes

MULTIPLE KEY OPERATION

IGNITION KEY

SKREEM

INTERMITTENT WIRING HARNESS PROBLEM

Diagnostic Test

1.

DETERMINING IF DTC IS CURRENT

With the scan tool, read and record the SKREEM DTCs.

With the scan tool, erase the SKREEM DTCs

NOTE: Perform the following test several times to ensure the DTC is current.
Turn the ignition off.

Wait 10 seconds.

Turn the ignition on.

With the scan tool, read the SKREEM DTCs.

Does the scan tool display the DTC that was previously erased?

Yes

>> Go To 2

No

>> Go To 6

2.

CHECKING FOR MULTIPLE KEYS

Are there multiple vehicle ignition keys available?

Yes

>> Go To 3

No

>> Go To 4

3.

MULTIPLE KEY OPERATION

NOTE: Perform the following steps using one of the vehicle ignition keys. When finished, repeat the pro-
cedure using each of the other vehicle keys, one at a time.
With the scan tool, erase the SKREEM DTCs.

Turn the ignition off.

Wait 10 seconds.

Turn the ignition on

With the scan tool, read the SKREEM DTCs.

Is the DTC present for all ignition keys?

Yes

>> Replace and program the Sentry Key Remote Entry Module in accordance with the Service Information.

Perform SKREEM VERIFICATION TEST.

No

>> Replace the ignition key(s) that cause the SKIM DTC.

Perform SKREEM VERIFICATION TEST.

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VEHICLE THEFT SECURITY - ELECTRICAL DIAGNOSTICS

8Q - 7