Wrangler 2WD V6-3.8L (2008)
This bulletin applies to JK vehicles equipped with a 3.8L engine (Sales code EGT)
NOTE:
**This bulletin applies to K1 vehicles equipped with a 3.7L engine (Sales code EKG)**
SYMPTOM/CONDITION:
Some customers may complain of a MIL illumination Upon further investigation the Technician may find that P2181 Cooling System
Performance has been set.
DIAGNOSIS:
Using a Scan Tool (WiTECH or StarMOBILE) with the appropriate Diagnostic Procedures available in TechCONNECT verify all engine
systems are functioning as designed If DTC's other then the one listed above are present record them on the repair order and repair as
necessary before proceeding further with this bulletin.
If the vehicle operator describes or experiences the Symptom/Condition perform the Repair Procedure.
PARTS REQUIRED:
REPAIR PROCEDURE:
NOTE:
If this flash process is interrupted/aborted the flash should be restarted.
1. Reprogram the PCM with the latest software Follow the detailed service procedures available in DealerCONNECT/TechCONNECT, Refer To
Group 8 Electrical > Electronic Control Modules Service Information > Module Powertrain Control > Standard Procedures > PCM/ECM
Programming Gas After PCM reprogramming the following must be performed:
a. Clear any DTC's that may have been set in other modules due to reprogramming The WiTECH application will automatically present all DTCs
after the flash and allow the tech to clear them.
b. On 62TE equipped vehicles clear the Variable Line Pressure (VLP) Counters found in the Misc Function menu for the PCM ECU.
c. Perform the Quick Learn function found in the Misc Function menu for the PCM ECU.
2. Type the necessary information on the "Authorized Modification Label" and attach it near the VECI label **
POLICY:
Reimbursable within the provisions of the warranty
TIME ALLOWANCE:
FAILURE CODE:
Disclaimer:
This bulletin is supplied as technical information only and is not an authorization for repair.
