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Tahoe / Yukon Service Manual

DTC P175E

Automatic Transmission - 10L80 MHS MQC | Diagnostic Information and Procedures | Document ID: 5224510 Diagnostic Instructions Perform the Diagnostic System Check prior to using this diagnostic procedure: Diagnostic System Check - Vehicle Review the description of Strategy Based Diagnosis: Strategy Based Diagnosis An overview of each diagnostic category can be found here: Diagnostic Procedure Instructions DTC Descriptor DTC P175E Transmission Control System - Shift Limiting Active Circuit/System Description DTC P175E is an informational DTC. Conditions for Running the DTC Battery Voltage = Greater than 9 V Ignition and Start Signal = 9 to 32 V Ignition and Start Switch Signal = On Frequency the DTC runs = Continuously — After the running conditions are met — For greater than 2 min Conditions for Setting the DTC DTCs related to the following system/component = Set — 100 Ignition cycles B107 Accelerator Pedal Position Sensor B14A Automatic Transmission Output Speed Sensor B14C Automatic Transmission Input Speed Sensor B14DA Automatic Transmission Intermediate Speed Sensor 1 B14DB Automatic Transmission Intermediate Speed Sensor 2 B26 Crankshaft Position Sensor B303 Transmission Range Sensor B65 Manifold Absolute Pressure and Intake Air Temperature Sensor Q14 Exhaust Gas Recirculation Valve Q17 Fuel Injector Q77 Transmission Control Solenoid Valve Engine Misfire Fuel Trim Actions Taken When the DTC Sets DTCs listed in the DTC Descriptor category = Type A DTC Conditions for Clearing the DTC DTCs listed in the DTC Descriptor category = Type A DTC Reference Information DTC Type Reference Powertrain Diagnostic Trouble Code (DTC) Type Definitions Scan Tool Reference Control Module References Circuit/System Verification

  1. Verify there are no DTCs set related to the following component/system: B107 Accelerator Pedal Position Sensor B14A Automatic Transmission Output Speed Sensor B14C Automatic Transmission Input Speed Sensor B14D Automatic Transmission Intermediate Speed Sensor B26 Crankshaft Position Sensor B303 Transmission Range Sensor B65 Manifold Absolute Pressure and Intake Air Temperature Sensor Q14 Exhaust Gas Recirculation Valve Q17 Fuel Injector Q77 Transmission Control Solenoid Valve Engine Misfire Fuel Trim ⇒ If a related DTC is set Refer to: Diagnostic Trouble Code (DTC) List - Vehicle ⇓ If a related DTC is not set
  2. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data. Verify the DTC does not set. ⇒ If the DTC sets Refer to step 1 ⇓ If the DTC is not set
  3. All OK. Repair Instructions Perform the Diagnostic Repair Verification after completing the repair: Diagnostic Repair Verification For control module replacement, programming, and setup refer to: Control Module References Additional Procedures Transmission Service Fast Learn Procedure — Perform only when the component/system is serviced.