SX4 2WD L4-2.0L (2007)
PROM - Programmable Read Only Memory: All Technical Service Bulletins
Engine Controls - Cold Engine Stall/MIL ON/DTC P2237
SX4
Section Title: Engine
TSB No. TS 05 02218
Division: Automotive
Category: Technical
SUBJECT:
COLD ENGINE WILL NOT CONTINUE TO RUN AND REQUIRES RESTART. AFTER RESTART THE MALFUNCTION INDICATOR LAMP
(MIL) MAY ILLUMINATE WITH DTC P2237 (O2 SENSOR POSITIVE CURRENT CONTROL CIRCUIT/OPEN) STORED IN MEMORY.
MODEL(S):
SX4 (RW420)
YEAR:
2007
CONDITION:
After starting, a cold engine will not continue to run. If the engine is restarted without turning the key OFF first, the MIL light may illuminate. A DTC
scan will reveal DTC P2237 (O2 Sensor Positive Current Control Circuit/Open) as a current DTC.
CAUSE:
ECM software logic.
CORRECTION:
Reprogram the Engine Control Module (ECM) with the latest Suzuki ECU Programming System (SEPS) software. This software update will stop the
DTC from activating incorrectly. Refer to the General TSB 05 XXXXX "ECM (ECU) Reprogramming Verification Procedure Using the Suzuki SDS
Tool". If the vehicle does not have the latest version follow the reprogramming procedure described below.
REQUIRED TOOLS AND SOFTWARE:
WARRANTY CLAIM INFORMATION
Reprogramming Procedure:
NOTE:
DO NOT reprogram if the vehicle is already updated with this version software (1.10.1.1) and database (2.008.0130).
