08-047--13

File in Section:
Service Bulletin
Bulletin No.:
Date:
PIP5123
May, 2013
PRELIMINARY INFORMATION
Subject:
SES Lamp On With DTC P2270
Models:
2013 Chevrolet Silverado
2013 GMC Sierra
Built with 4.8L 5.3L 6.0L RPO L20 LC9 LMG L96
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition/Concern
Concern of DTC P2270 setting along with any of the following codes P0140, P0139, P0138, P0137, P013A, P013B
on vehicles built at the Fort Wayne assembly plant during February 2013.
Recommendation/Instructions
Check connector X131 for a bent terminal F as indicated in the attached PIC and repair per SI procedures.
3454867
If no connector issue is found, follow SI diagnostics.
Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is
resolved without completing every step, the remaining steps do not need to be performed.

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NUMBER:
GROUP:
DATE:
08-047-13
Electrical
June 20, 2013
This bulletin is supplied as technical information only and is not an authoriz ation for repair. No part of this publication may be reproduced, s tored in a retrieval system,
or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise, wfthout written permission of Chrysler Group LLC.
HELP USING THE wiTECH DIAGNOSTIC APPLICATION FOR FLASHING AN ECU IS
AVAILABLE BY SELECTING "HELP" THEN "HELP CONTENTS" AT THE TOP OF
THE wiTECH DIAGNOSTIC APPLICATION WINDOW.
THE wiTECH SOFTWARE LEVEL MUST BE AT RELEASE 13.04 OR HIGHER TO
PERFORM THIS PROCEDURE.
SUBJECT:
Flash: Inaccurate Outside Temperature Display
OVERVIEW:
This bulletin involves updating the Body Control Module (BCM) software.
MODELS:
2013
(LX)
300
2013
(LD)
Charger
2013
(JC)
Journey
NOTE: This bulletin applies to vehicles Built before April 27, 2013 {MOH 0427XX) and
equipped with Outside Temp Display {sales code LAH) and/or Vehicle
Information Center {sales code LAZ).
SYMPTOM/CONDITION:
Customer may experience a delay to update the ambient air temperature display with the
actual ambient air temperature . This condition is more noticeable during short/slow
commutes and with a large ambient air temperature increase between drive cycles.
DIAGNOSIS:
Using a Scan Tool (wiTECH) with the appropriate Diagnostic Procedures available in
TechCONNECT, verify no DTC's are set. If DTCs are present record them on the repair
order and repair as necessary before proceeding further with this bulletin.
If the customer describes the symptom, perform the Repair Procedure.
REPAIR PROCEDURE:
-2-
08-047-13
NOTE: Install a battery charger to ensure battery voltage does not drop below 13.2
volts. Do not allow the charging voltage to climb above 13.5 volts during the
flash process.
NOTE: If this flash process is interrupted/aborted, the flash should be restarted.
1.
2.
Reprogram the BCM .
Flash reprogram the module . Help using the wiTECH Diagnostic Application for
flashing the BCM is made available through the wiTECH Diagnostic Application. For
instructions select the "HELP" tab on upper portion of the wiTECH window, then
"HELP CONTENTS." This will open the Welcome to wiTECH Help screen where help
topics can be selected .
3. Clear any DTC's that may have been set in other modules due to reprogramming. The
wiTECH application will automatically present all DTCs after the flash and allow the
tech to clear them .
POLICY:
Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
Labor Operation
No:
18-19-02-9N
Description
Module, BCM - Reprogram
FAILURE CODE:
IFlash Module
Skill Category
6 - Electrical
and Body
system
Amount
0.2 Hrs.