# Service bulletin 07\-001\-21

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: 10218558
- Published by NHTSA: 2022\-08\-22
- Manufacturer's number: 07\-001\-21
- Manufacturer's date: 2021\-08\-05
- NHTSA component: FUEL SYSTEM, GASOLINE; POWER TRAIN; AIR BAGS; POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT

## NHTSA's summary

Transmission Oil Cooler Lines Not Fully Engaged This bulletin involves visually inspecting both driver and passenger, upper and lower transmission oil cooler line quick connect attachments to the transmission and if not engaged, pushing the quick connect into the transmission until a click is heard or felt. Customers may also comment on one or more of the following: Transmission fluid leaking from under the vehicle. Transmission not shifting properly or transmission gradually loses the ability to transfer power to the wheels.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10218558-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10218558-9999.pdf)

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

## Components

Air bags, Fuel system, Transmission and driveline, Automatic transmission

## 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/10218558](/v1/bulletins/10218558)

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