This TSB applies to a number of Infiniti models, including 2006-2008 FX (S50), 2009 FX (S51), 2006 G35 Sedan (V35), 2006-2007 G35 Coupe (CV35), 2007-2008 G35 Sedan (V36), 2008-2009 G37 Coupe (CV36), 2009 G37 Sedan (V36), 2006-2009 M (Y50), 2008 EX35 (J50), and 2006 Q45 (F50).
If the vehicle MIL is on and DTC P0603 is stored in the ECM, this DTC may have been stored due to a series of previous low battery voltage, dead battery or battery terminal disconnections.
If DTC P0603 does not display after the system check:
- This will indicate that P0603 was caused by a series of previous low battery voltage, dead battery or battery terminal disconnections.
- The vehicle harness, connections and ECM are operating properly.
- Do not replace the ECM. No further action is necessary concerning P0603.
If DTC P0603 DOES display after the system check, use the following claims information:
DESCRIPTION OP CODE SYM DIA FRT
DTC P0603 system check EX16AA HD 32 0.6