DTCs P0C17 and P1C76 not clearing – 2014 Kia Optima Hybrid

TT040   TECH TIP: DTCs P0C17 and P1C76 not clearing Symptom: Replaced HPCU results in two codes that will not clear: P0C17 (Drive motor “A” position sensor not learned) and P1C76 (Generator position sensor not learned).   Repair: Perform the motor/HSG resolver calibration located in the S/W management section of the “Motor Control Unit” (MCU) system.       [easyazon_infoblock …

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Harsh Engagement from Transmission at Low Speeds – 2014 Kia Optima Hybrid

PS241   SUBJECT: HARSH ENGAGEMENT FROM TRANSMISSION AT LOW SPEEDS   If you encounter a customer complaint relating to harsh engagement from the transmission at low speeds, check the HPCU/HSG coolant reservoir is at the proper level and that no leaks are present (Fig. A). Also, check the Electric Water Pump (EWP) operation using the GDS

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Intermittent Operation from A/C Heater DTC P1237 – 2014 Kia Optima Hybrid

PS263   SUBJECT: INTERMITTENT OPERATION FROM A/C OR HEATER DTC – P1237   When diagnosing a concern relating to intermittent performance from the air conditioner or the heater, check for the presence of DTC P1237 (Active Air Flap Feedback Voltage High) in the Active Air Flap (AAF) system. This code may occur when there is a …

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Unable to “Set” Cruise Control – 2014 Kia Optima Hybrid

PS268   SUBJECT: UNABLE TO “SET” CRUISE CONTROL   This article provides information on concerns related to being unable to SET the cruise control system with the steering wheel switch, despite the CRUISE “main” switch and lamp operating normally, and with no DTCs. (If DTCs are found, refer to the relevant DTC troubleshooting procedure in …

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Hybrid Fuel Efficiency Tips and Troubleshooting Procedure – 2014 Kia Optima

2012-060   SUBJECT: HYBRID FUEL EFFICIENCY TIPS AND TROUBLESHOOTING PROCEDURE   The Optima Hybrid (TF HEV) offers customers the potential of excellent fuel economy. However, because some customers may not be achieving the published EPA-rated city/highway numbers, they may bring a vehicle to a dealership’s service department. The following information is provided so that the service …

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