Apex Automotive & Emissions
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Chrysler, Dodge, Jeep, Ram Warning Message

Service Transmission

The transmission control module has detected a fault in the automatic transmission. On vehicles with the ZF 8HP or 948TE transmission, this can indicate solenoid, valve body, or torque converter issues.

critical severity

Common Causes

  • Solenoid pack failure
  • Valve body malfunction
  • Transmission fluid overheating
  • Torque converter shudder
  • TCM software fault

Immediate Action

If the transmission is slipping or shifting harshly, reduce speed and avoid towing loads. Schedule service promptly to prevent internal damage.

Related DTC Codes

Typical Repair Cost

$1,500–$5,000+