# Service bulletin 18\-068\-15

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: 10148692
- Published by NHTSA: 2018\-11\-19
- Manufacturer's number: 18\-068\-15
- Manufacturer's date: 2015\-09\-29
- NHTSA component: FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM:SOFTWARE; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

## NHTSA's summary

Flash: PCM Software Enhancements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module \(PCM\) with new software. A small number of customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the Technician may find Diagnostic Trouble Code \(DTC\) U0401\-00 \- Implausible Data Received From ECM/PCM. This software update also has improvements for fuel pump relay cycling during remote starts.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2015/MC-10148692-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2015/MC-10148692-0001.pdf)

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

## Components

Electrical system, Fuel system, Fuel pump, Software

## Trouble codes named

U0401

## Vehicles listed

- 2010 CHRYSLER 300
- 2010 CHRYSLER 300 AWD
- 2010 DODGE CHALLENGER

## Other bulletins for the same vehicles and component

- [9003220](/bulletins/10121846.md), 2017-11-03, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. RES / RHA / REB Radios That Supports Bluetooth and Hands\-Free For issues with Bluetooth, Hands\-Free Calling, and/or Voice Commands, DO NOT replace the radio. Diagnose the Hands\-Free Module system \(also called the Telematics Module\). The Telematics Module \(and associated components\) are the systems responsible for these features. A power cycle may be required for the hands\-free module for proper diagnosis.\~ Please reference; 8T \- Navigation/Telecommunication Diagnosis and Testing \(DIAGNOSIS AND TESTING \- HANDS FREE PHONE\)
- [08\-035\-13](/bulletins/10062166.md), 2016-04-12, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
- [SB\-18\-021\-13](/bulletins/10052329.md), 2013-07-11, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. CHRYSLER/DODGE: PERFORMANCE ISSUES MAY BE NOTICEABLE AT SPEEDS ABOVE 55 MPH WHEN ACCELERATING. THIS CAN BE CORRECTED WITH A SOFTWARE UPDATE IN THE POWERTRAIN CONTROL MODULE \(PCM\). \*KB
- [SB\-18\-032\-09](/bulletins/10032787.md), 2010-05-24, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM:SOFTWARE. DODGE: THIS BULLETIN INVOLVES FLASH REPROGRAMMING THE POWERTRAIN CONTROL MODULE \(PCM\) WITH NEW SOFTWARE. COMPLAINTS OF MIL ILLUMINATION. UPON INVESTIGATION THE TECHNICIAN MAY FIND THAT P0133\-02 SENSOR 1/1 SLOW RESPONSE AND/OR P0153\-02 SENSOR 2/1 SLOW RESPONSE HAS BEEN SET. \*PE

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