P0513

P0513-SKIM INVALID KEY ERROR

For complete wiring diagrams refer to Diagrams/Electrical.


- When Monitored:

Key on

- Set Condition:

Invalid Key Code received from SKIM Module







Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.

Diagnostic Test


1. ACTIVE DTC

Ignition on, engine not running.

With the scan tool, read the ECM DTCs.

Is the DTC active at this time?

Yes

- Go To 2

No

- Go To 6

2. NO COMMUNICATION WITH SKIM

With the scan tool, attempt to communicate with the SKIM.

Can the scan tool communicate with the SKIM?

Yes

- Go To 3

No

- Refer to Antitheft and Alarm System Testing.
- Perform SKIM VERIFICATION. Vehicle Theft Security Verification Tests

3. SKIM TROUBLE CODES SET

With the scan tool, check for SKIM DTCs.

Are any DTCs present in the SKIM?

Yes

- Refer to Antitheft and Alarm System Testing.
- Perform SKIM VERIFICATION. Vehicle Theft Security Verification Tests

No

- Go To 4

4. VIN PROGRAMMED INTO ECM

With the scan tool, display the VIN that is programmed in the ECM.

Has a VIN been programmed into the ECM?

Yes

- Go To 5

No

- Program the correct VIN into the ECM and retest.
- Perform SKIM VERIFICATION. Vehicle Theft Security Verification Tests

5. ECM

Turn the ignition off.

Replace and program the SKIM.

Ignition on, engine not running.

With the scan tool, erase all SKIM and ECM DTCs.

Attempt to start and idle the engine.

With the scan tool, read the ECM DTCs.

Does the scan tool display this code?

Yes

- NOTE: Before continuing, check the ECM harness connector terminals for corrosion, damage, or terminal push out. Repair as necessary. Replace and program the Engine Control Module.
- Perform SKIM VERIFICATION. Vehicle Theft Security Verification Tests

No

- Test Complete.

6. IGNITION KEY


NOTE: You must obtain the SKIM pin number.


NOTE: This DTC could have been set if the SKIM harness connector was disconnected, or if the SKIM was replaced recently.


NOTE: All keys that the customer uses for this vehicle must be tested to verify they are operating properly.

Ignition on, engine not running.

Verify the correct VIN is programmed into the ECM and SKIM.

Turn the ignition off.

With each customer key turn the ignition on and crank the engine to start.

With the scan tool, read the ECM DTCs. Look for P0513.

Is the DTC P0513 still active?

Yes

- Replace the Ignition Key.
- Perform SKIM VERIFICATION. Vehicle Theft Security Verification Tests

No

- Test Complete.
- NOTE: If this DTC cannot be reset, it could have been an actual theft attempt.