Flash: MIL Illumination
Jeep technical service bulletin 18-018-14 for 2014 Jeep Grand Cherokee.
- Bulletin number
- 18-018-14
- Component
- Fuel system, diesel
- Summary
- Flash: mil illumination - diagnostic and system improvements this bulletin involves selectively erasing and reprogramming the powertrain control module (PCM) with new software. Some customers may experience a malfunction indicator lamp (mil) illumination. Upon further investigation the technician may find that any of the following diagnostic trouble code(s) may have been set: ? P0073 - ambient air temperature sensor circuit high ? P0088 - fuel rail pressure too high ? P016f - closed loop fuel pressure control at limit - pressure too low ? P0420 - catalyst efficiency (bank 1) ? P0426 - catalyst temperature sensor circuit performance (bank 1 sensor 1) ? P05f8 - reductant heater control module performance ? P061b - internal control module torque calculation performance ? P062b - internal control module fuel injector control circuit performance ? P200a - intake manifold runner performance - bank 1 ? P200b - intake manifold runner performance - bank 2 ? P20ba - reductant heater 1 control circuit performance ? P20ee - scr nox catalyst efficiency below threshold bank 1 ? P203e - reductant level sensor 1 circuit intermittent/erratic ? P2080 - exhaust gas temperature sensor circuit performance ? P2084 - exhaust gas temperature sensor circuit performance - bank 1 sensor 2 ? P242b - exhaust gas temperature sensor circuit performance - bank1 sensor 3 ? P2463 - diesel particulate filter - soot accumulation ? P24c2 - exhaust gas temperature measurement system - multiple sensor correlation bank 1 ? P24f2 - egr temperature/charge air cooler temperature correlation ? U12a3 - lost communication with pm sensor
Vehicles covered
- Jeep Grand Cherokee 2014 2014
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