Grand Vitara JLX 4WD V6-2.5L (1999)
Engine Control Module: Customer Interest
Engine Controls - MIL ON/False Misfire Codes Set
TSB No. TS 06-02 04159
Section Title: Engine
Division: Automotive
Category: Technical
SUBJECT:
FALSE MISFIRE CODE (P0300, P0301-P0306)
MODEL:
GRAND VITARA (5Q625)
YEAR:
1999
CONDITION:
Malfunction Indicator Lamp (MIL) illuminates after engine is operated at high RPMs. DTC is a false P0300, PO301-P0306 (Misfire detection codes).
CAUSE:
Production line variability of the misfire monitoring system ECM/PCM program.
CORRECTION:
Replace ECM/PCM with updated unit as indicated in this bulletin.
AFFECTED VIN RANGE:
Vehicles within the affected VIN range noted above may exhibit a false misfire code if the vehicle is operated at high RPMs. The driver will not
experience any driveability problems or be aware of any misfire. Should this occur, replace the ECM/PCM with the updated part listed. For Removal and
Installation (R&I) procedures, please see the 1999 Suzuki 5Q625 Service Manual (P/N 99500-67D00-33E), Section 6E2-29.
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