ECU UPGRADE ? MIL ON WITH DTC(s) P0420/P0171
Kia technical service bulletin TSB-ENG160 for 2012-2015 Kia Sorento, 2011-2015 Kia Optima and 2014-2016 Kia Sportage.
- Bulletin number
- TSB-ENG160
- Component
- Electrical system: software
- Summary
- TSB: ECU UPGRADE ? MIL ON WITH DTC(s) P0420/P0171 - This bulletin provides information related to the ECU software upgrade for some 2012~2015MY Optima (QF) vehicles, produced from August 12, 2011 to October 2, 2015, some 2012~2015MY Sorento (XMa) vehicles, produced from April 19, 2011 to December 11, 2014, some 2011~2015MY Optima (TF) vehicles, produced from August 12, 2010 to July 23, 2015, and some 2014~2016MY Sportage (SL) vehicles, produced from September 30, 2013 to November 16, 2015, which may experience a malfunction indicator lamp (MIL) illuminated with the Electronic Control Unit (ECU) system-related DTC(s): P0420 and possibly P0171. This concern occurs most commonly during prolonged engine braking while descending a steep grade.
Owners of these vehicles have filed 1,025 complaints in the electrical category.
Vehicles covered
- Kia Sorento 2012-2015 2012201320142015
- Kia Optima 2011-2015 20112012201320142015
- Kia Sportage 2014-2016 201420152016
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