# Service bulletin 21\-001\-15 REV. A

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: 10144825
- Published by NHTSA: 2018\-09\-24
- Manufacturer's number: 21\-001\-15 REV. A
- Manufacturer's date: 2015\-02\-12
- NHTSA component: POWER TRAIN:TRANSFER CASE \(4\-WHEEL DRIVE\)

## NHTSA's summary

Service Bulletin/RRT 21\-001\-15/15\-003 Superseded By Customer Satisfaction Notification \(CSN\) R01 Refer to service procedures outlined in CSN R01.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2015/MC-10144825-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2015/MC-10144825-0001.pdf)

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

## Components

Transmission and driveline, Transfer case

## Vehicles listed

- 2015 CHRYSLER 200
- 2014 to 2015 JEEP CHEROKEE

## Other bulletins for the same vehicles and component

- [2101721](/bulletins/10223495.md), 2022-10-17, Service bulletin: BACK OVER PREVENTION; WHEELS; POWER TRAIN:TRANSFER CASE \(4\-WHEEL DRIVE\); EXTERIOR LIGHTING. Power Transfer Unit \(PTU\) Broken Input Spline \- X89 Warranty Extension This bulletin involves replacing the PTU assembly with an updated part. 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: P1720\-00 \- Output Speed Sensor\-Wheel Speed Rationality. P215C\-00 \- Output Shaft Speed Wheel Speed Correlation. The customer may also describe one or more of the following: Grinding noise coming from under the vehicle while driving. Vehicle will not move.
- [2101721RevA](/bulletins/10223489.md), 2022-10-17, Service bulletin: EXTERIOR LIGHTING; BACK OVER PREVENTION; WHEELS; POWER TRAIN:TRANSMISSION CASE/HOUSING; POWER TRAIN:TRANSFER CASE \(4\-WHEEL DRIVE\). Power Transfer Unit \(PTU\) Broken Input Spline \- X89 Warranty Extension This bulletin involves replacing the PTU assembly with an updated part. 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: P1720\-00 \- Output Speed Sensor\-Wheel Speed Rationality. P215C\-00 \- Output Shaft Speed Wheel Speed Correlation. The customer may also describe one or more of the following:Grinding noise coming from under the vehicle while driving. Vehicle will not move.

JSON: [/v1/bulletins/10144825](/v1/bulletins/10144825)

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