# Service bulletin S2025000001 Rev.

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10184401
- Published by NHTSA: 2020\-12\-21
- Manufacturer's number: S2025000001 Rev.
- Manufacturer's date: 2020\-11\-05
- NHTSA component: ELECTRICAL SYSTEM; FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\)

## NHTSA's summary

\(Rev. B\) Malfunction Indicator Lamp Illumination \(MIL\). Diagnostic Trouble Code \(DTC\) P203E ? Reductant Level Sensor 1 Circuit Intermittent\-Erratic Set.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10184401-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10184401-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Fuel system, Transmission and driveline, Automatic transmission, Fuel tank, Transmission control module

## Trouble codes named

P203E

## Vehicles listed

- 2021 JEEP GLADIATOR
- 2014 to 2019 JEEP GRAND CHEROKEE
- 2020 to 2021 JEEP WRANGLER
- 2014 to 2021 RAM 1500

## Recalls for the same vehicles and component

- [23V265000](/recalls/nhtsa/23V265000.md), 2023-04-13: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\)
- [18V280000](/recalls/nhtsa/18V280000.md), 2018-05-01: POWER TRAIN:AUTOMATIC TRANSMISSION
- [18V100000](/recalls/nhtsa/18V100000.md), 2018-02-08: POWER TRAIN:AUTOMATIC TRANSMISSION
- [17V821000](/recalls/nhtsa/17V821000.md), 2017-12-20: POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT
- [17V434000](/recalls/nhtsa/17V434000.md), 2017-07-07: FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY
- [16V249000](/recalls/nhtsa/16V249000.md), 2016-04-27: EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH; POWER TRAIN:AUTOMATIC TRANSMISSION:PARK/NEUTRAL START INTERLOCK SWITCH
- [16V240000](/recalls/nhtsa/16V240000.md), 2016-04-25: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\)
- [14V161000](/recalls/nhtsa/14V161000.md), 2014-04-01: POWER TRAIN:AUTOMATIC TRANSMISSION

## Other bulletins for the same vehicles and component

- [1810023](/bulletins/10248615.md), 2024-01-08, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Flash: Powertrain Control Module \(PCM\) Updates 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 \(DTCs\) has been set: ?\*\*P0441 \- EVAP Purge System Performance \(for North America and Mexico markets only\).\*\* ? P0456 \- EVAP System Small Leak. NOTE: \*\* If DTC P0456 is present, use the wiTECH Small Leak Verification Test \(SLVT\) to determine if a leak is present in the system. \*\* This bulletin involves reprogramming the PCM with the latest available software.
- [S2321000005](/bulletins/10248561.md), 2024-01-08, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. Transmission Fluid Leak From Under The Vehicle.
- [NotificationZ60](/bulletins/10247978.md), 2024-01-02, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE. Customer Satisfaction Notification Z60 Powertrain Control Module Software
- [1810023](/bulletins/10244454.md), 2023-10-30, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); POWER TRAIN; ELECTRICAL SYSTEM. Flash: Powertrain Control Module \(PCM\) Updates 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 \(DTCs\) has been set: ?\*\*P0441 \- EVAP Purge System Performance \(for North America and Mexico markets only\).\*\* ? P0456 \- EVAP System Small Leak. NOTE: \*\* If DTC P0456 is present, use the wiTECH Small Leak Verification Test \(SLVT\) to determine if a leak is present in the system. \*\* This bulletin involves reprogramming the PCM with the latest available software.
- [S2321000005](/bulletins/10244400.md), 2023-10-30, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT. Transmission Fluid Leak From Under The Vehicle.
- [1808723](/bulletins/10243248.md), 2023-10-02, Service bulletin: POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Flash: Powertrain Control Module \(PCM\) Updates Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set: ? P0420 \- Catalyst System Efficiency Below Threshold Bank 1. ? P0430 \- Catalyst System Efficiency Below Threshold Bank 2. This bulletin involves reprogramming the PCM with the latest available software.
- [1808823](/bulletins/10243245.md), 2023-10-02, Service bulletin: POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Flash: Powertrain Control Module \(PCM\) Updates Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set:? P0420 \- Catalyst System Efficiency Below Threshold Bank 1. ? P0430 \- Catalyst System Efficiency Below Threshold Bank 2. This bulletin involves reprogramming the PCM with the latest available software.
- [1807323](/bulletins/10243242.md), 2023-10-02, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Flash: Powertrain Control Module \(PCM\) Updates Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that the one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set: ? \*\*U115F\-00 \- Lost Communication With Driver Presence Detection Module.\*\* ? P02EE \- Cylinder 1 Injector Circuit Performance. ? P02EF \- Cylinder 2 Injector Circuit Performance. ? P02F0 \- Cylinder 3 Injector Circuit Performance. ? P02F1 \- Cylinder 4 Injector Circuit Performance. The customer may also experience one or more of the following when DTC U115F\-00 is triggered: ? \*\*Disabled engine stop / start \(ESS\) feature. ? Service ESS light and EVIC message is displayed in the Instrument Panel Cluster \(IPC\).\*\* This bulletin involves reprogramming the PCM with the latest available software.
- [1808623](/bulletins/10243238.md), 2023-10-02, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM. Flash: Powertrain Control Module \(PCM\) Updates This bulletin involves reprogramming the PCM with the latest available software.
- [1808423](/bulletins/10243231.md), 2023-10-02, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Flash: Powertrain Control Module \(PCM\) Updates 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: ? P0420 \- Catalyst System Efficiency Below Threshold Bank 1. ? P0430 \- Catalyst System Efficiency Below Threshold Bank 2. ? P0606 \- Internal Control Processor. Customer may also experience the following: ? While the engine is running, customer may experience a vehicle limp in/home mode \(speed limitation, engine throttle limitation and the ETC light flashing and MIL will be on\) or the vehicle may experience a no\-start condition. NOTE: Associated with DTC: P0606 \- Internal Control Processor. This bulletin involves reprogramming the PCM with the latest available software.

JSON: [/v1/bulletins/10184401](/v1/bulletins/10184401)

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