Jeep Grand Cherokee 2014–2023 — technical service bulletin
Bulletin S2025000001 · NHTSA communication 10247967 · issued Feb 28, 2023
Technical service bulletin
communication type
Exterior Lighting
component
2014–2023
model years
20
vehicle entries
Official summary
Malfunction Indicator Lamp Illumination (MIL). Diagnostic Trouble Code (DTC) P203E ? Reductant Level Sensor 1 Circuit Intermittent-Erratic Set.
Vehicles covered
- 2014 Jeep Grand Cherokee
- 2015 Jeep Grand Cherokee
- 2016 Jeep Grand Cherokee
- 2017 Jeep Grand Cherokee
- 2018 Jeep Grand Cherokee
- 2019 Jeep Grand Cherokee
- 2020 Jeep Wrangler
- 2021 Jeep Wrangler
- 2022 Jeep Wrangler
- 2023 Jeep Wrangler
- 2014 RAM 1500
- 2015 RAM 1500
- 2016 RAM 1500
- 2017 RAM 1500
- 2018 RAM 1500
- 2019 RAM 1500
- 2020 RAM 1500
- 2021 RAM 1500
- 2022 RAM 1500
- 2023 RAM 1500
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.