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Home >> Jeep >> 2005 >> Wrangler Rubicon, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 490 (Powertrain Diagnostic Procedures - Diesel) >> Diagnostic Information And Procedures >> DRIVEABILITY - Diesel - Diagnostic Tests >> P0513-Skim System Invalid Key Code Received; P0513-Skim System Read Access To EEPROM Failure; P0513-Skim System Skis Error; P0513-Skim System Write Access To EEPROM Failure >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC PROCEDURES - P0513-SKIM SYSTEM INVALID KEY CODE RECEIVED

TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRB, check for Sentry Key Immobilizer Module communication and DTCs.
Are any SKIS problems or DTCs present?
Yes --> Refer to VEHICLE THEFT/SECURITY for problems related to SKIM Communication and DTCs before continuing.
Perform ROAD TEST VERIFICATION - VER-2 .
No --> Go To 2		 All
2
NOTE: If the ECM detects and stores a DTC, the ECM also stores the engine/vehicle operating conditions under which the DTC was set. Some of these conditions are displayed on the DRB at the same time the DTC is displayed.
NOTE: Before erasing stored DTCs, record these conditions. Attempting to duplicate these conditions may assist when checking for an active DTC.
Turn the ignition on.With the DRBIII®, erase ECM DTCs.Turn the ignition on and off several times pausing 10 seconds between each key cycle.With the DRBIII®, read the ECM DTCs.Did this DTC set again?Yes --> Go To 3No --> Go To 4		 All
3 Replace and program the SKIM in accordance with the Service Information.
Turn the ignition on.
With the DRBIII®, erase ECM DTCs.
Turn the ignition on and off several times pausing for 10 seconds between key cycles.
With the DRBIII®, read ECM DTCs.
Did this DTC set again?
Yes --> Replace and program the Engine Control Module in accordance with the Service Information.
Perform ROAD TEST VERIFICATION - VER-2 .
No --> The test is complete.
Perform ROAD TEST VERIFICATION - VER-2 .		 All
4
WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
NOTE: The conditions that set the DTC are not present at this time. The following list may help in identifying the intermittent condition.
With the engine running at normal operating temperature, monitor the DRB parameters related to the DTC while wiggling the wiring harness. Look for parameter values to change and/or a DTC to set.Review the DTC When Monitored and Set Conditions. If possible, try to duplicate the conditions under which the DTC was set.Refer to any Technical Service Bulletins (TSB) that may apply.Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or partially broken wires.Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.Were any of the above conditions present?Yes --> Repair as necessary.Perform ROAD TEST VERIFICATION - VER-2 .No --> Test Complete.		 All
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