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 MANUALSCHRYSLER2003300M V6-3.5L VIN MREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTTRANSMISSION CONTROL SYSTEMSAPPLICATION AND ID
2003 Chrysler 300M V6-3.5L VIN M
Transmission Control Systems: Application and ID
2003 Chrysler 300M V6-3.5L VIN MSECTION Application and ID
SYSTEM COVERAGE
These diagnostic procedures cover all 2002 LH and 300M vehicles equipped with a 42LE transaxle.
SIX-STEP TO TROUBLESHOOTING PROCEDURE
Diagnosis of the 42LE Electronic transaxle is done in six basic steps:
^ verification of complaint
^ verification of any related symptoms
^ symptom analysis
^ problem isolation
^ repair of isolated problem
^ verification of proper operation
IDENTIFICATION OF SYSTEM
All LH and 300M vehicles are equipped with a 4 speed transmission. The Solenoid/Pressure switch is located on the right side of the transmission case, The Transmission Range Sensor, Input speed sensor and Output speed sensor are located on the left or same side of the transmission case. Refer to the Service Information for transmission ID tag descriptions.
These diagnostic procedures cover all 2002 LH and 300M vehicles equipped with a 42LE transaxle.
SIX-STEP TO TROUBLESHOOTING PROCEDURE
Diagnosis of the 42LE Electronic transaxle is done in six basic steps:
^ verification of complaint
^ verification of any related symptoms
^ symptom analysis
^ problem isolation
^ repair of isolated problem
^ verification of proper operation
IDENTIFICATION OF SYSTEM
All LH and 300M vehicles are equipped with a 4 speed transmission. The Solenoid/Pressure switch is located on the right side of the transmission case, The Transmission Range Sensor, Input speed sensor and Output speed sensor are located on the left or same side of the transmission case. Refer to the Service Information for transmission ID tag descriptions.
RENDER: 1.0x
NO RELATED
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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.