- May 28: Automatic Emergency Braking Standard by September 2029 news | 5 days ago
- May 1: Jeep Cherokees Recalled For Turn Signal Problems recalls | 32 days ago
- March 26: Chrysler, Jeep and Ram Vehicles Recalled For Airbag Failures recalls | 68 days ago
- March 13: Jeep Wrangler 4xe Recall, Then a Class Action Lawsuit news | 81 days ago
Jeep TSB #1806720
2018 Jeep Grand Cherokee
TSB Document:
Affected Component: ELECTRICAL SYSTEM
- Summary
- Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set:P0133-00 - O2 Sensor 1/1 Slow Response. P20EE-00 - SCR NOX Catalyst Efficiency Below Threshold Bank 1. P050E-00 - Cold Start Engine Exhaust Temperature Too Low. P0299 - Turbocharger Underboost Condition. The following software enhancement is available:Calibration to correct the On-Board Diagnostic (OBD) system?s inability to detect and set DTCP0420 - Catalyst Efficiency (Bank 1)when the Diesel Oxidation Catalyst (DOC) is missing.
Click a tab for more information.