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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 234 (DTCS P1D94 To U1479 - 8HP45 Automatic Transmission - 1500) >> Diagnosis And Testing >> P1DA8-Incorrect Gear Ratio: Clutch A, B, Or D Defective >> When Monitored

When Monitored

WARNING: This page is about a different car, the 2013 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.

Driving position is in Drive or Reverse.

Oil temperature above a calibrated threshold.

No clutch slip control functions commanded.

No failure in input speed signal.

Input speed above a calibrated threshold.

Valid output speed signal from the output speed sensor or calculated from the wheel speed signal if output speed sensor is not available.

Valid engine speed signal from the PCM.