TT039 TECH TIP: Issues with Eco Gauge Needle Symptom: The ECO gauge needle never reaches the green shaded portion of the cluster, even on wide open throttle. No codes are stored and all modules communicate. Repair: Perform the brake pedal travel sensor calibration – Listed as PTS calibration in the S/W management section of the … Read more
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. [embeddoc url=”https://static.oemdtc.com/TSB/TT040.pdf”] … Read more
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 … Read more
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 … Read more
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 … Read more