B2229

B2229-SKREEM INTERNAL - SKIM IMMOBILIZER

For a complete wiring diagram, refer to the Wiring Information.

- When Monitored:
With the ignition on.

- Set Condition:
When the Antenna diagnostic test fails.





1. VERIFY THAT THE DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE
1. Turn the ignition on.

NOTE: Before continuing, review and check for the following:
- Review the repair history of the vehicle.
- Make sure that the vehicle has the correct PCM/ECM and WIN installed by verifying the part numbers.
- With the scan tool, ensure that the PCM/ECM and WIN are programmed correctly. Compare the PCM/ECM VIN to the WIN VIN and ensure the two VINs match.

2. With the scan tool, record and erase the DTCs.
3. Perform 3 ignition cycles, leaving the ignition switch on for a minimum of one minute per cycle.
4. With the scan tool, read the active DTCs.

Does the scan tool display; B2229-SKREEM INTERNAL - SKIM IMMOBILIZER as active?

Yes

- If the engine does not crank, Go To 2
- If the engine does crank, Go To 2 and answer "Yes" to the question in step 2.

No

- Perform the WIRELESS IGNITION NODE (WIN) INTERMITTENT TEST. Wireless Ignition Node (WIN) Verification Test.

2. ENGINE DOES NOT CRANK

NOTE: When diagnosing any WIN system concern, all FOBIKS should be present

1. If this vehicle does not crank, use the table below to determine if the key is functional or not. With the scan tool under Data Display, Bussed Outputs, put the key in each position and check the "Ignition Status". Then with the key in the Run position, check "Valid Skim Key" and "SCREEM Status" reported by the WIN (or WCM). Compare all six readings with the "Good Key" column.





Does the key (FOBIK) pass All Six Comparisons that are in the "Good Key" column?

Yes

- Replace the Wireless Ignition Node (WIN). If this vehicle is equipped with a Steering Column Lock Module, it must also be replaced. When replacing the WIN and the Steering Column Lock Module, the Win MUST be programmed BEFORE the Steering Column Lock Module (ELV) is programmed. .
- Replace and program the Wireless Ignition Node (WIN). Wireless Ignition Node Receiver - Removal
- Replace and program the Steering Column Lock Module (ELV). Shaft Lock Module - Removal.
- Perform the WIN VERIFICATION TEST. Wireless Ignition Node (WIN) Verification Test.

No

- Replace and using the scan tool, program a new key (FOBIK).
- Perform the BODY VERIFICATION TEST. Body Verification Test.