Transmission or Drivetrain Failure
The vehicle won't move when the engine is cold, indicating a possible transmission issue, broken axle, or clutch problem (if manual). This is a safety and mobility concern.
Diagnosis Details
Possible Causes
Low or contaminated automatic transmission fluid causing hydraulic pressure loss when cold
Failed torque converter or internal transmission damage (e.g., broken bands or clutches)
Broken CV axle or driveshaft, especially if noise was heard before failure
Clutch failure (manual transmission) or shift linkage/cable issue
Related OBD-II Codes
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What You Should Do
Do not attempt to drive.
Check transmission fluid level and condition (if accessible).
Have the vehicle towed to a qualified mechanic for diagnostic scan and drivetrain inspection.
Do not rev the engine while in gear.
Related Repairs
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Disclaimer: This AI-generated diagnosis is for informational reference only. Always consult a qualified mechanic for an in-person inspection. AutOwner is not responsible for decisions made based on this information.
