Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHRYSLER1999LHSREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSAUTOMATIC TRANSMISSION DIAGNOSIS - 42LE AUTOMATIC TRANSMISSION
1999 Chrysler LHS
Automatic Transmission Diagnosis - 42LE Automatic Transmission
1999 Chrysler LHSSECTION Automatic Transmission Diagnosis - 42LE Automatic Transmission
- Application
- Description & Operation
- Trouble Shooting
- Diagnosis & Testing
- Diagnostic Tests
- Notes
- Test A: Back-Up Light Malfunction
- DTC P0120: Throttle Position (TP) Sensor Signal
- DTC P0600: Serial Communication Link
- DTC P0604, P0605, P0700: Internal Trans Controller
- DTC P0705: Check Shifter Signal
- DTC P0715 & P0720: Input Speed Sensor Error/Output Speed Sensor Error
- DTC P0725: Engine Speed Sensor Circuit
- DTC P0731: Gear Ratio Error In 1ST
- DTC P0732: Gear Ratio Error In 2ND Gear
- DTC P0733: Gear Ratio Error In 3RD Gear
- DTC P0734: Gear Ratio Error In 4TH Gear
- DTC P0736: Gear Ratio Error In Reverse
- DTC P0740: Torque Converter Clutch (TCC) 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 P1716: Bus Communication With Engine Module
- DTC P1717: No Communication With Mic
- DTC P1738: High Temperature Operations 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 Circuit
- DTC P1782: 2-4 Pressure Switch Circuit
- DTC P1784: L-R Pressure Switch 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: Torque Management Request Signal
- DTC P1794: Sensor Ground Error
- P1795: Internal Trans Controller
- DTC P1796: AUTOSTICK Sensor Circuit
- DTC P1797: Manual Shift Overheat
- DTC P1798: Worn Out/Burnt Transmission Fluid
- DTC P1799: Calculated Oil Temperature In Use
- VER-1A: Verification Test
- Wiring Diagrams
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.