Automatic Transmission Diagnosis - 42LE Automatic Transmission
- Application
- Description & Operation
- Trouble Shooting
- Diagnosis & Testing
- Notes
- Test Equipment Hook-Up
- Retrieving Diagnostic Trouble Codes
- No Response From TCM (Prowler)
- No Response From TCM (Except Prowler)
- Clearing Diagnostic Trouble Codes
- Pinion Factor Procedure
- Shift Quality Quick-Learn Procedure
- Checking Transmission Fan Relay Output
- Component Locations
- Connector Identification
- Diagnostic Tests
- Notes
- DTC P0120: Throttle Position Sensor Signal Circuit
- DTC P0600: Serial Communication Link
- DTC P0604, P0605 & P0700: Internal Trans Controller
- DTC P0705: Check Shifter Signal
- DTC P0715: Input Speed Sensor Error
- DTC P0720: Output Speed Sensor Error
- DTC P0725: Engine Speed Sensor Circuit
- DTC P0731: Gear Ratio Error In 1ST
- DTC P0732: Gear Ratio Error In 2ND
- DTC P0733: Gear Ratio Error In 3RD
- DTC P0734: Gear Ratio Error In 4TH
- DTC P0736: Gear Ratio Error In Reverse
- DTC P0740: Torque Converter Clutch Control Circuit
- DTC P0750: L-R Solenoid Circuit
- DTC P0755: 2-4 Solenoid Circuit
- DTC P0760: Od Solenoid Circuit
- DTC P0765: UD Solenoid Circuit
- DTC P1479: Transmission Fan Relay Control Circuit
- DTC P1714: Low Battery Voltage
- DTC P1716: Bus Communication With Engine Module
- DTC P1717: No Communication With Mic
- DTC P1738: High Temperature Operation Activated
- DTC P1739: Power-Up At Speed
- DTC P1765: Switched Battery
- DTC P1767: Relay Output Always On
- DTC P1768: Relay Output Always Off
- DTC P1775: Solenoid Switch Latched In TCC Position
- DTC P1776: Solenoid Switch Valve Latched In L-R Position
- DTC P1781: Od Pressure Switch Sense Circuit
- DTC P1782: 2-4 Pressure Switch Sense Circuit
- DTC P1784: L-R Pressure Switch Sense Circuit
- DTC P1787: Od Hydraulic Pressure Switch Circuit
- DTC P1788: 2-4 Hydraulic Pressure Switch Circuit
- DTC P1789: 2-4/Od Hydraulic Pressure Switch Circuit
- DTC P1790: Fault Immediately After Shift
- DTC P1791: Loss Of Prime
- DTC P1792: Battery Was Disconnected
- DTC P1793: TRD Link Communication Error
- DTC P1794: Sensor Ground Error
- P1795: Internal Trans Controller
- DTC P1796: AUTOSTICK Switch Circuit
- DTC P1797: Manual Shift Overheat
- DTC P1798: Worn Out/Burnt Transmission Fluid
- DTC P1799: Calculated Oil Temperature In Use
- DTC P1899: P/N Switch Stuck In Park Or In Gear
- Transmission Verification Test VER-1A
- Powertrain Verification Test VER-2
- Powertrain Verification Test VER-5
- Symptom Tests
- Notes
- No Manual AUTOSTICK Operation
- Back-Up Lights Illuminate While Gearshift Lever Is Not In "R" Position
- Back-Up Lights Inoperative
- Checking Park/Neutral Position Switch Operation
- Transmission Noisy With No DTC Present
- Transmission Shifts Early With No DTC Present
- Transmission Simulator Will Not Power Up
- Wiring Diagrams