# Service bulletin 1804122 REVA

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: 10212417
- Published by NHTSA: 2022\-05\-31
- Manufacturer's number: 1804122 REVA
- Manufacturer's date: 2022\-03\-19
- NHTSA component: ELECTRICAL SYSTEM; POWER TRAIN; ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\)

## NHTSA's 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 the following DTC: P0300 \- Multiple Cylinder Misfire. In addition, customers may experience the following concern: Spark knock/detonation sound from the engine at idle.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10212417-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10212417-9999.pdf)

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

## Components

Electrical system, Engine, Transmission and driveline, Automatic transmission, Transmission control module

## Trouble codes named

P0300

## Vehicles listed

- 2021 JEEP WRANGLER

## Other bulletins for the same vehicles and component

- [S2321000005](/bulletins/10248561.md), 2024-01-08, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. Transmission Fluid Leak From Under The Vehicle.
- [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.
- [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.
- [1807323](/bulletins/10241088.md), 2023-08-21, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM; POWER TRAIN. 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: ? \*\*P02EE \- Cylinder 1 Injector Circuit Performance. ? P02EF \- Cylinder 2 Injector Circuit Performance. ? P02F0 \- Cylinder 3 Injector Circuit Performance. ? P02F1 \- Cylinder 4 Injector Circuit Performance.\*\* This bulletin involves reprogramming the PCM with the latest available software.
- [S2325000006](/bulletins/10241022.md), 2023-08-21, Service bulletin: ENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Customer complaint may include a MIL\-on or check engine lamp on condition.
- [1800122](/bulletins/10230543.md), 2023-01-23, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Powertrain Control Module \(PCM\) Updates
- [S2207000002](/bulletins/10229470.md), 2023-01-09, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:COOLER/RADIATOR:HOSES AND FITTINGS; UNKNOWN OR OTHER. Coolant leak
- [9100022](/bulletins/10225302.md), 2022-10-31, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:COOLER/RADIATOR:HOSES AND FITTINGS; FUEL SYSTEM, GASOLINE; EQUIPMENT:ELECTRICAL:ENGINE BLOCK HEATER. Water Pump For concern of leak at water pump, please check and re\-torque water pump inlet tube fasteners as described in Service Bulletin 07\-001\-22 before replacing the water pump.
- [1805122](/bulletins/10223183.md), 2022-10-17, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); POWER TRAIN. 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 Code \(DTC\). U0402\-00 \- Implausible Data Received From TCM. U145D \- Implausible Data Received From TCM On D\-PT. Other software enhancement included with this update:On Board Fuel Consumption Monitoring Updates \(China Only\). Additional module flashes are required for this update to be effective, the following modules are all to be updated along with this PCM update:Hybrid Control Processor \(HCP\), Auxiliary Hybrid Control Processor \(AHCP\) also known as the Power Invertor Module \(PIM\). Transmission Control Module \(TCM\). Battery Pack Control Module \(BPCM\). Integrated Dual Charging Module \(IDCM\).
- [S2018000009](/bulletins/10221827.md), 2022-09-26, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Malfunction Indicator Lamp \(MIL\) Illuminated. Diagnostic Trouble Codes \(DTCs\) P00AF ? Turbocharger Boost Control Module ?A? Performance and/or P226C ? Turbocharger Boost Control Module ?A? Slow Response.

JSON: [/v1/bulletins/10212417](/v1/bulletins/10212417)

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