P1814

Diagnostic Chart:

CIRCUIT DESCRIPTION

This diagnostic test checks for unusually high throttle angle and low vehicle speed when the transmission is in Drive or Reverse. The primary purpose of DTC P1814 is to record the Failure Record data, because these conditions could damage the Powertrain or create an unsafe condition.

DTC P1814 is a Type D DTC.

CONDITIONS FOR SETTING THE DTC

^ No TP DTCs P0121, P0122 or P0123.

^ No VSS DTCs P05O2 or P0503.

^ No Automatic Transmission Input (Shaft) Speed Sensor (A/T ISS) DTCs P0716 or P0717.

^ No Automatic Transmission Fluid Pressure Manual Valve Position Switch (TFP Val. Position Sw.) DTC P1810.

^ The slip is greater than 1504 RPM.

^ The vehicle speed is less than 8 km/h (5 mph).

^ The transmission is in drive or reverse.

^ The throttle angle is 65 degrees or greater for 12 seconds.

ACTION TAKEN WHEN THE DTC SETS

^ The PCM does not illuminate the Malfunction Indicator Lamp (MIL).

^ DTC P1814 is stored in the PCM history.

CONDITIONS FOR CLEARING THE DTC

A scan tool can clear the DTC from the PCM history. The PCM clears the DTC from the PCM history if the vehicle completes 40 warm-up cycles without a failure reported.

DIAGNOSTIC AIDS

A simultaneous acceleration and application of the brakes may set this DTC.

TEST DESCRIPTION

The numbers below refer to the step numbers on the Diagnostic Table.

2. This step inspects the Failure Records for DTC P1814 occurrences.

IMPORTANT: Reset Trans Oil Life when you replace the fluid and the filter.

4. This step replaces the fluid and the filter. If DTC P1814 occurs more than once in the Failure Records, severe Torque Converter Clutch (TCC) damage may have occurred.