# Service bulletin 1805223

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: 10236946
- Published by NHTSA: 2023\-05\-30
- Manufacturer's number: 1805223
- Manufacturer's date: 2023\-04\-21
- NHTSA component: ELECTRICAL SYSTEM; POWER TRAIN

## NHTSA's summary

Flash: Powertrain Control Module \(PCM\) Updates Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation, a technician may find one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set: ? P016F \- Closed Loop Fuel Pressure Control At Limit \- Pressure Too Low. ? P025C \- Fuel Pump Module Control Circuit Low. ? P0300\-00 \- Multiple Cylinder Misfire. ? P0301\-00 \- Cylinder 1 Misfire. ? P0302\-00 \- Cylinder 2 Misfire. ? P0303\-00 \- Cylinder 3 Misfire. ? P0304\-00 \- Cylinder 4 Misfire. ? P0305\-00 \- Cylinder 5 Misfire. ? P0403\-00 \- EGR Control Circuit Open \(Disabled Fault\). ? P208B \- Reductant Pump 1 Control Performance. Other Software enhancements: ? Low speed engine idle improvements. ? Improved engine restart performance and torque response during low fuel level and/or hot ambient conditions. This bulletin involves reprogramming the PCM with the latest available software.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10236946-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10236946-9999.pdf)

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

## Components

Electrical system, Transmission and driveline

## Trouble codes named

P016F, P025C, P0300, P0301, P0302, P0303, P0304, P0305, P0403, P208B

## Vehicles listed

- 2023 JEEP WRANGLER

## Recalls for the same vehicles and component

- [25V741000](/recalls/nhtsa/25V741000.md), 2025-10-30: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
- [25V710000](/recalls/nhtsa/25V710000.md), 2025-10-17: ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT:POWER CONTROL UNIT/MODULE \(HPCU\):SOFTWARE
- [24V720000](/recalls/nhtsa/24V720000.md), 2024-09-27: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
- [24V652000](/recalls/nhtsa/24V652000.md), 2024-09-05: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
- [23V787000](/recalls/nhtsa/23V787000.md), 2023-11-22: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
- [23V641000](/recalls/nhtsa/23V641000.md), 2023-09-18: POWER TRAIN:MANUAL TRANSMISSION
- [23V303000](/recalls/nhtsa/23V303000.md), 2023-04-27: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
- [2023089](/recalls/tc/2023089.md), 2023-02-23: Powertrain
- [23V116000](/recalls/nhtsa/23V116000.md), 2023-02-23: POWER TRAIN:CLUTCH ASSEMBLY
- [2022672](/recalls/tc/2022672.md), 2022-11-23: Powertrain

## Other bulletins for the same vehicles and component

- [S2608000038](/bulletins/11038557.md), 2026-10-16, Service bulletin: ELECTRICAL SYSTEM. High Voltage Battery Has Lower SOC After Overnight Sleep Cycle
- [08\-354\-26](/bulletins/11038544.md), 2026-10-16, Service bulletin: ELECTRICAL SYSTEM. Flash: Drivetrain Control Module \(DTCM\) Updates Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code \(DTC\): ● C147B\-92 \- Front Axle Disconnect Sensor Performance or Incorrect Operation Customers may comment on one or more of the following: ● 4WD system warning lights, service messages, or flashing indicators are displayed in the Instrument Panel Cluster \(IPC\). ● The vehicle does not engage 4WD properly. This bulletin involves reprogramming the DTCM with the latest available software.
- [S2608000038](/bulletins/11038520.md), 2026-10-16, Service bulletin: ELECTRICAL SYSTEM. High Voltage Battery Has Lower SOC After Overnight Sleep Cycle
- [08\-354\-26](/bulletins/11038507.md), 2026-10-16, Service bulletin: ELECTRICAL SYSTEM. Flash: Drivetrain Control Module \(DTCM\) Updates Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code \(DTC\): ● C147B\-92 \- Front Axle Disconnect Sensor Performance or Incorrect Operation Customers may comment on one or more of the following: ● 4WD system warning lights, service messages, or flashing indicators are displayed in the Instrument Panel Cluster \(IPC\). ● The vehicle does not engage 4WD properly. This bulletin involves reprogramming the DTCM with the latest available software.
- [S2621000004](/bulletins/11038329.md), 2026-10-07, Service bulletin: POWER TRAIN. The Customer May Complain About a Popping Noise, Grinding Noise, or an Intermittent No Reverse or Forward Transmission Engagement. The Tech May Find Damaged and/or Worn Transmission Output Shaft Splines \(850RE Transmission Only\)
- [9100900](/bulletins/11037346.md), 2026-09-17, Service bulletin: ELECTRICAL SYSTEM; STRUCTURE:BODY. Passive Entry O/S Dr Handle Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.
- [S2508000025 REV. B](/bulletins/11034926.md), 2026-07-08, Service bulletin: ELECTRICAL SYSTEM. Instrument Panel Cluster \(IPC\) and Radio Compass Display has Dashes \(\-\-\)
- [113153](/bulletins/11034915.md), 2026-07-08, Service bulletin: ELECTRICAL SYSTEM; ENGINE. THERMOSTAT – NONE.
- [113152](/bulletins/11034914.md), 2026-07-08, Service bulletin: ELECTRICAL SYSTEM; ENGINE. THERMOSTAT – NONE.
- [08\-262\-26](/bulletins/11034900.md), 2026-07-08, Service bulletin: ELECTRICAL SYSTEM. Flash: Integrated Dual Charging Module \(IDCM\) Updates Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation SYMPTOM: the technician may find one or more of the following Diagnostic Trouble Code \(DTC\) have been set: ● B22A9\-87 \- ECU Internal Performance \- Missing Message. ● P0D21\-00 \- Battery Charger "A" Output Voltage Too Low. Customer may also experience the following: ● Vehicle will not charge. This bulletin involves reprogramming the IDCM with the latest software available.

JSON: [/v1/bulletins/10236946](/v1/bulletins/10236946)

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