Engine Controls - Runs Rough/Hesitation/MIL ON/DTC's
VERONASection Title: Engine
TSB No. TS 15 06047
Division: Automotive
Category: Technical
SUBJECT:
ENGINE RUNS ROUGH AND HESITATES ON ACCELERATION WHEN COLD, MALFUNCTION INDICATOR LAMP (MIL) ON
MODEL(S):
VERONA (RP625)
YEAR:
2006
CONDITION:
The ECM software calibration may cause the engine to run lean at cold start up. This lean condition may cause rough running and hesitation while accelerating. During the time of rough running the MIL may illuminate and the ECM will store DTC(s) P0300 P0301 P0302 P0303 P0304 P0305 and/or P0306 (Engine Misfire Detected and/or Cylinder 1, 2, 3, 4, 5 and/or 6 Misfire Detected).
CAUSE:
ECM software logic.
CORRECTION:
Perform the ECM reprogram procedure below to reprogram the ECM. Software version 1.9.0.2 or newer is now available and must be used with the latest database to perform this TSB. Refer to the General TSB 05 XXXXX "ECM (ECU) Reprogramming Verification Procedure Using the Suzuki SDS Tool" to verify the version installed in your PC.
REQUIRED TOOLS AND SOFTWARE:
WARRANTY CLAIM INFORMATION:
Reprogramming Procedure:
1. Log onto the Suzuki Connect and access the Suzuki Pitstop.
2. Download and review the Suzuki Pass-Thru Reprogramming Tool Operators Manual. This must be read and understood COMPLETELY before attempting to reprogram the ECM.
3. Following the procedure outlined in the Suzuki Pass-Thru Reprogramming Tool Operator's Manual, download and install the Pass-Thru Reprogramming Software "SOFTWARE.EXE in your PC, (if it is not already installed).
4. Follow the procedure in Section 3.2 of the Operator's Manual to update the Database files. Download and unzip Suzuki Pass-Thru Reprogramming Data Base "DATABASE.EXE in your PC. This step is only required to be done once to accommodate all vehicles covered under this TSB.
NOTE:
This Database "DATA BASE.EXE" has been updated with newer data for reprogramming without changing the file name. You are requested to download in order to update the database in your PC.
5. Following the procedures outlined in the Suzuki Pass-Thru Reprogramming Tool Operator's Manual, hook up the SDS Interface Tool P/N 09910-06520 to the vehicle and run the ECM reprogramming software. Continue to step 6. If the message "[4028] ECU already has the latest version appears, click "OK". No further action is required. The glove box label should already be in the glove box.
6. Fill out the Reprogram Label P/N 99963-01501-224 (the part number and version will be displayed at the "The reprogramming is successful" screen). Then affix the label to the back of the glove box door as pictured below.
7. Perform the idle relearn after reprogramming as follows.
a. Turn the ignition OFF for 20 seconds.
b. Turn the ignition ON for 10 seconds.
c. Turn the ignition OFF for 20 seconds.
d. Turn the ignition ON for 10 seconds.
e. Start the engine in Park/Neutral.
f. Turn the ignition OFF, ECM reprogram procedure is complete.
NOTE:
If the symptom remains after reflashing, contact the S.M.A.R.T. Hotline (Techline) for assistance.
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