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Home >> Pontiac >> 2006 >> Vibe Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Automatic Transmission - Mu4 - Service, Removal & Installation, Troubleshooting & Diagnostics) >> Diagnostic Information and Procedures >> DTC P2770 >> Circuit Description

Circuit Description

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The torque converter clutch (TCC) solenoid is located in the control valve body of the transmission. The powertrain control module (PCM) commands the TCC solenoid by turning the solenoid ON or OFF, enabling the TCC to engage and disengage when specific signals are received by the PCM.

Shifting of overdrive (O/D) is performed by the PCM controlling the ON and OFF switching functions of the TCC solenoid. If an open occurs in any of the solenoid valves, the PCM controls the remaining functioning shift solenoid valves to allow the vehicle to be operated smoothly in a fail safe mode.

When the PCM detects a continuous open in the TCC solenoid valve circuit, then DTC P2770 sets.

DTC P2770 is a type B DTC.

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