37A Incorrect PCM Software May Cause Engine Stall – 2021 Ram 1500

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April 13, 2023 NHTSA CAMPAIGN NUMBER: 23V265000

Incorrect PCM Software May Cause Engine Stall

An engine stall can increase the risk of a crash.

 

NHTSA Campaign Number: 23V265

Manufacturer Chrysler (FCA US, LLC)

Components POWER TRAIN

Potential Number of Units Affected 131,700

 

Summary

Chrysler (FCA US, LLC) is recalling certain 2021 Ram 1500 vehicles equipped with 5.7L eTorque engines. The powertrain control module software may cause an incorrect fuel mixture condition in the engine, and result in an engine stall.

 

Remedy

Dealers will update the Powertrain Control Module calibration software, free of charge. Owner notification letters are expected to be mailed June 2, 2023. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC’s number for this recall is 37A.

 

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

 

Check if your Vehicle has a Recall

 


New Safety Recall Advanced Communication – 37A

FCA US LLC (FCA US) has announced a safety recall on certain 2021 Model Year (DT) Ram 1500 Pickup vehicles equipped with the 5.7L eTorque engine (sales code EZL).

 

REASON FOR THIS SAFETY RECALL

Some of the above vehicles may experience an engine shut down caused by an over rich fuel condition under certain operating conditions. An engine shut down may result in an unexpected loss of motive power while driving, which can cause a vehicle crash without prior warning.

 

SERVICE ACTION

FCA US will conduct a voluntary safety recall on all affected vehicles to update the Powertrain Control Module calibration software. The remedy for this condition is not currently available. Dealers will be notified of the launch of this safety recall by way of established communication methods. This recall is estimated to launch in 2nd Quarter of 2023.

 


SAFETY RECALL NORTH AMERICA

Powertrain Control Module Software

 

Reference: 37A / NHTSA 23V-265

 

Revision Edition Detail
0 April 2023 Initial Version.

NOTE: Effective immediately all repairs on involved vehicles are to be performed according to this recall.  Technical Service Bulletin (TSB) 18-091-22 REV. A is no longer applicable for the vehicles involved in this recall. Those vehicles that have already had this repair performed, as determined by our warranty records, have been excluded from this recall.

 

SYMPTOM DESCRIPTION

About 131,700 of the above vehicles may experience an engine shut down caused by an over rich fuel condition under certain operating conditions. An engine shut down may result in an unexpected loss of motive power while driving, which can cause a vehicle crash without prior warning.

 

SCOPE

This recall applies only to the above vehicles equipped with a 5.7L eTorque engine (sales code EZL).

NOTE: Some vehicles above may have been identified as not involved in this recall and therefore have been excluded from this recall.

 

IMPORTANT:  Some of the involved vehicles may be in dealer new vehicle inventory.  Federal law requires you to complete this recall service on these vehicles before retail delivery.  Dealers should also consider this requirement to apply to used vehicle inventory and should perform this recall on vehicles in for service.  Involved vehicles can be determined by using the VIP inquiry process.

 

REPAIR TO BE PERFORMED

Update the Powertrain Control Module (PCM) calibration software.

 

PARTS INFORMATION

No parts are required to perform this service procedure.

 

PARTS RETURN

No parts return required for this campaign.

 

SPECIAL TOOLS

Number Description
NPN wiTECH MicroPod II / MDP
NPN Laptop Computer
NPN wiTECH Software

 

DEALER NOTIFICATION

To view this notification on DealerCONNECT, select “Global Recall System” on the Service tab, then click on the description of this notification.

 

OWNER NOTIFICATION / SERVICE SCHEDULING

All involved vehicle owners known to FCA are being notified of the service requirement by first class mail.  They are requested to schedule appointments for this service with their dealers.  A generic copy of the owner letter is attached.

 

SERVICE PROCEDURE

 

NOTE: The wiTECH scan tool must be used to perform this recall.  The wiTECH software is required to be at the latest release level before performing this procedure. If the reprogramming flash for the PCM is aborted or interrupted, repeat the procedure. The PCM software must be at the latest software calibration level after completing this recall.

 

  1. Install a battery charger and verify that the charging rate provides 13.0 to 13.5 volts. Do not allow the charger to time out during the flash process.  Set the battery charger timer (if so equipped) to continuous charge.

 

NOTE:  Use an accurate stand-alone voltmeter.  The battery charger volt meter may not be sufficiently accurate.  Voltages outside of the specified range will cause an unsuccessful flash.  If voltage reading is too high, apply an electrical load by activating the park or headlamps and/or HVAC blower motor to lower the voltage.

 

  1. Connect the wiTECH micro pod II to the vehicle data link connector

 

  1. Place the ignition in the “RUN” position.

 

  1. Open the wiTECH 2.0 website.

 

  1. Enter your “User id” your “Password” and your “Dealer Code”, then select “Finish” at the bottom of the screen.

 

  1. Starting at the “Vehicle Selection” screen, select the vehicle to be updated.

 

  1. From the “Action Items” screen, select the “All Flashes” tab.
  • Select “PCM” by clicking the arrow on the right side of the screen. Read the special flash instructions, then select “OK”.  Continue with Step 8.
  • If “PCM” is not displayed as one of the available flashes, the PCM software is already at the current software level and does not require updating. Proceed to Step 12.

 

  1. From the “Flash ECU Agreement” page, agree to terms by “Checking the Box”.

 

  1. Select “Flash ECU” and then follow the wiTECH screen instructions to complete the flash.

 

  1. Once the software is confirmed to be at the latest available calibration level, select “View DTCs”.

 

  1. Select the “Clear All DTCs” tab, then click “Clear All DTCs” and then select “Close”. It may be necessary to cycle the ignition OFF to RUN to clear the codes.

 

  1. Turn the ignition to the “OFF” position and then remove the wiTECH micro pod II device from the vehicle.

 

  1. Remove the battery charger from the vehicle.

 

  1. Return the vehicle to the customer.

 


Chronology :

  • On January 20, 2023, the FCA US LLC (“FCA US”) Technical Safety and Regulatory Compliance (“TSRC”) organization opened an investigation into the 2021 MY Ram 1500 equipped with the 5.7L eTorque engine for a potential stall condition while driving.
  • From January 2023, through March 2023, FCA US TSRC conducted an analysis of stall patterns and vehicle history, and determined that the affected vehicles were equipped with powertrain control module software which was the origin of the stalls.
  • As of March 30, 2023, FCA US is aware of 206 customer records, 636 warranty claims, and 53 field reports potentially related to this issue for all markets with dates of receipt ranging from October 8, 2020, through March 28, 2023.
  • As of March 30, 2023, FCA US is aware of one accident and zero injuries potentially related to this issue for all markets.
  • On April 6, 2023, FCA US determined, through the Vehicle Regulations Committee, to conduct a voluntary safety recall of the affected vehicles.

 


1 Affected Product

Vehicle

MAKE MODEL YEAR
RAM 1500 2021

 


5 Associated Documents

Defect Notice 573 Report

RCLRPT-23V265-2735.PDF 214.039KB

RCLRPT-23V265-2735

 


Recall Acknowledgement

RCAK-23V265-7329.pdf 645.289KB

RCAK-23V265-7329

 


Miscellaneous Document – FCA US LLC Recall Part Numbers 37A Ram 1500 with 5.7L eTorque Engine

RMISC-23V265-0087.pdf 70.576KB

RMISC-23V265-0087

 


Manufacturer Notices(to Dealers,etc) – NSRAC re New Safety Recall Advanced Communication – 37A

RCMN-23V265-2068.pdf 47.635KB

RCMN-23V265-2068

 


Remedy Instructions and TSB

RCRIT-23V265-9102.pdf 353.054KB

RCRIT-23V265-9102

 


Latest Recalls Documents

For the Latest and Most Recent Recalls Information Visit the link below…

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=23V265&docType=RCL

 


 

Reprogramming

Chrysler J2534 Application Overview

 

DRB III Emulator

Flash Availability - J2534/Pass Thru Device

Vehicle to Diagnostic Tool Reference Chart

 

Chrysler Recommended J2534 Devices

For Chrysler recommended J2534 device, see below table.

J2534 Device Firmware Version
CTC Vehicle Box * 1.9
UCAN 2 1.0
Blue Streak -2534 Global Programmer 2.10
Actia I+ME Passthru 2.07

* Chrysler recommends the CTC Vehicle Box Device for Chrysler SCI ECU reprogramming. SCI reprogramming is used on most PCMs and TCMs prior to the introduction of CAN bus vehicles which began in 2004 (Durango).

 

Compatible J2534 Devices

37A Incorrect PCM Software May Cause Engine Stall - 2021 Ram 1500 | small light CarDAQ-Plus 3 All Makes J2534 Reprogramming Tool
37A Incorrect PCM Software May Cause Engine Stall - 2021 Ram 1500 | small light CarDAQ-Plus 2 Diagnostic Code Reader and J2534 Programming Tool
37A Incorrect PCM Software May Cause Engine Stall - 2021 Ram 1500 | small light CarDAQ-Plus
37A Incorrect PCM Software May Cause Engine Stall - 2021 Ram 1500 | small light CarDAQ-M
37A Incorrect PCM Software May Cause Engine Stall - 2021 Ram 1500 | small light VSI J2534 ECU Reprogrammer
37A Incorrect PCM Software May Cause Engine Stall - 2021 Ram 1500 | small light

Bosch Automotive Tools MTECH2 Mastertech II J2534 VCI with Wired/Wireless Capability for OEM Reprogramming and Diagnostics on GM, Ford, FCA, Nissan/Infiniti, Honda/Acura, and Toyota/Lexus Vehicles

37A Incorrect PCM Software May Cause Engine Stall - 2021 Ram 1500 | small light

RAP2 OEM J2534 Remote Reprogramming Tool

37A Incorrect PCM Software May Cause Engine Stall - 2021 Ram 1500 | small light

BOSCH Automotive Tools MTECH2 Mastertech II J2534 VCI

37A Incorrect PCM Software May Cause Engine Stall - 2021 Ram 1500 | small light

Autel MaxiFlash VCI Vehicle Communication Interface J2534 PassThru ECU Programming Device Bluetooth Connection Internet Update Support CAN FD, 4 CAN Channels, DoIP, D-PDU Works with PC or Autel MS909

37A Incorrect PCM Software May Cause Engine Stall - 2021 Ram 1500 | small light

GODIAG J2534

 


Click on the link below to:

Download J2534 Application

(Install the wiTECH 2.0 J2534 Application on your computer)

Download the Setup Utility

(Configure your microPod/MDP device)

Launch wiTECH 2.0

(Once subscription and users are assigned to a tool please follow this link to access wiTECH)

https://www.mopartsp.com/support

 


Chrysler J2534 Manual

wiTECH Software

www.techauthority.com

 


 

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Last update on 2024-02-17 / Affiliate links / Images from Amazon Product Advertising API

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