626 LX V6-2.5L DOHC (1997)
PROM - Programmable Read Only Memory: Customer Interest
PCM - MIL Illumination With DTC P1407 Set
Bulletin No 015/98
Issued 12/23/98
Revised 12/31/98
Subject
MIL ILLUMINATION W/DTC P1407
Applicable Model/s
1996-97 626/MX-6
With A/T
Category
F (01)
BULLETIN NOTE
^
This bulletin supersedes F 015/98 dated 12/23/98. The REPAIR PROCEDURE has been revised.
APPLICABLE MODEL(S)/VINS
All 1996-1997 626/MX-6 with FS engine and automatic transmission.
DESCRIPTION
The MIL may illuminate with code P1407 stored in memory. This problem will usually occur in colder climates and is caused by the combination of ice
build-up in the EGR vacuum line and the PCM reading of EGR flow early in the drive cycle. A modified PCM calibration is available which will correct
this concern.
Customers complaining of this concern should have their vehicle repaired using the following procedure.
Note
^
This is the same calibration and NGS Reprogram Card used to repair a DTC P0421 concern. See revised Service Bulletin F 005/98.
REPAIR PROCEDURE
1.
Verify customer complaint.
2.
Inspect the vehicle for and Authorized Modification Label indicating that the vehicle has already been reprogrammed with the latest calibration for
DTC P1407 and P0421.
If the label is present, contact the Technical Assistance Hotline.
If the label is not present, proceed to Step 3.
