Technical Service Bulletin 18-024-16 REV. B — 2011 JEEP WRANGLER
POWER TRAIN
Bulletin Details
| TSB ID | 18-024-16 REV. B |
| Manufacturer | |
| Vehicle | 2011 JEEP WRANGLER |
| Component | POWER TRAIN |
| Communication Date |
Bulletin Summary
"FLASH: POWERTRAIN DIAGNOSTIC AND SYSTEM IMPROVEMENTS THIS BULLETIN INVOLVES REPROGRAMMING THE POWERTRAIN CONTROL MODULE (PCM) WITH UPDATED SOFTWARE. THE CUSTOMER MAY EXPERIENCE A MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATION OR NOTICE THAT THE FUEL SAVER INDICATOR LIGHT (FSI) IS TURNING ON AND OFF. UPON FURTHER INVESTIGATION THE TECHNICIAN MAY FIND ONE OR MORE OF THE FOLLOWING DIAGNOSTIC TROUBLE CODES (DTCS): · **P0452 - EVAP PRESSURE SWITCH STUCK CLOSED (10 MY WITH SALES CODE DEH ONLY).** · U0140 - LOST COMMUNICATION WITH BODY CONTROL MODULE. ATTEMPTING TO CLEAR THE DTC MAY BE UNSUCCESSFUL. OTHER ENHANCEMENTS INCLUDED IN THIS UPDATE: · IMPROVED FUEL PUMP RELAY OPERATION. · IMPROVED REMOTE START TIME AFTER KEY ACTIVATION. · IMPROVED AUTOMATIC SHUTDOWN RELAY (ASD) TIMER CALIBRATION. · FIX FOR FALSE (FSI) LIGHT ON (WITH COMBINATION SALES CODES EGT AND DEH)."
About Technical Service Bulletins
A Technical Service Bulletin (TSB) is a document issued by a vehicle manufacturer to its dealers, describing a known issue with a specific vehicle or set of vehicles and the recommended procedure to fix it. Unlike recalls, TSBs are not mandatory and are typically only performed if an owner reports the related issue. However, TSBs can be an indicator of common problems with a vehicle.
Other TSBs for the 2011 JEEP WRANGLER
107418
SERVICE BRAKES
9004473
ELECTRICAL SYSTEM
08-005-17 REV. A
EXTERIOR LIGHTING
08-005-17 REV. A
ELECTRICAL SYSTEM
18-024-16 REV A
ELECTRICAL SYSTEM:SOFTWARE
18-024-16 REV. A
ELECTRICAL SYSTEM
18-024-16
EXTERIOR LIGHTING
18-024-16
STRUCTURE
18-024-16
FUEL SYSTEM, GASOLINE
18-024-16
ELECTRICAL SYSTEM:SOFTWARE