1-2 Shift Error: Range -6.38 seconds to +6.38 seconds. This parameter is the difference between the desired 1-2 shift time and the actual 1-2 shift time. This value is only accurate if the Adaptable Shift parameter indicates Yes.

1-2 Shift Time: Range 0.00-6.38 seconds. This parameter is the actual time of the last 1-2 shift. The shift time is based on the gear ratio change after the commanded 1-2 shift. This value is only accurate if the Adaptable Shift parameter indicates Yes.

1-2 Sol (Solenoid): Displays On or Off. These parameters are the commanded status of the 1-2 and the 2-3 shift solenoid valves. On represents a commanded energized state (current is flowing through the solenoid). Off represents a non-commanded state (current is not flowing through the solenoid).

1-2 Sol. (Solenoid) Open: Displays Yes or No. This parameter indicates if an open or a short to ground exists in the feedback signal from the 1-2 Shift Solenoid Valve to the VCM.

1-2 Sol. (Solenoid) Short: Displays Yes or No. This parameter indicates if a short to B+ exists in the feedback signal from the 1-2 Shift Solenoid Valve to the VCM.

2-3 Shift Error: Range -6.38 to +6.38 seconds. This parameter is the difference between the desired 2-3 shift time and the actual 2-3 shift time. This value is only accurate if the Adaptable Shift parameter indicates Yes.

2-3 Shift Time: Range 0.00-6.38 seconds. This parameter is the actual time of the last 2-3 shift. The shift time is based on the gear ratio change after the commanded 2-3 shift. This value is only accurate if the Adaptable Shift parameter indicates Yes.

2-3 Sol (Solenoid): Displays On or Off. These parameters are the commanded status of the 1-2 and the 2-3 shift solenoid valves. ON represents a commanded energized state (current is flowing through the solenoid). OFF represents a non-commanded state (current is not flowing through the solenoid).

2-3 Sol. (Solenoid) Open: Displays Yes or No. This parameter indicates if an open or a short to ground exists in the feedback signal from the 2-3 Shift Solenoid Valve to the VCM.

2-3 Sol. (Solenoid) Short: Displays Yes or No. This parameter indicates if a short to B+ exists in the feedback signal from the 2-3 Shift Solenoid Valve to the VCM.

3-4 Shift Error: Range -6.38 to +6.38 seconds. This parameter is the difference between the desired 3-4 shift time and the actual 3-4 shift time. This value is only accurate if the Adaptable Shift parameter indicates Yes.

3-4 Shift Time: Range 0.00-6.38 seconds. This parameter is the actual time of the last 3-4 shift. The shift time is based on the gear ratio change drop after the commanded 3-4 shift. This value is only accurate if the Adaptable Shift parameter indicates Yes.

4WD: Displays Yes or No. This parameter indicates whether the vehicle is currently in a four-wheel drive mode.

4WD High: Displays Yes or No. This parameter indicates the current state of the 4WD selector switch. When 4WD High is selected, the 4WD High parameter should change from No to Yes.

4WD Low: Displays Yes or No. This parameter is the signal state of the four-wheel drive low circuit. Yes indicates a 0 voltage signal requesting 4WD Low. No indicates a B+ voltage signal which does not request 4WD Low. If 4WD Low is requested, the transmission output speed increases by a factor of the transfer case ratio.

A/C Clutch: Displays On or Off. This represents the commanded state of the A/C clutch control relay. The clutch should be engaged whenever ON is displayed. The PCM will compensate for the additional engine load that is accompanied with the A/C clutch engaged.

Adaptable Shift: Displays Yes or No. This display is the monitor of the upshift adapt function. When the adapt capability is functional, YES will be displayed during shift calculation and until the commanded gear changes. When the adapt function is not functional, NO will be displayed.

BARO: Scan tool displays a range of 10-104 kPa, 0.00-5.00 volts. The BARO sensor measures barometric pressure during ignition key ON cycle and during Wide Open Throttle (WOT). This allows the VCM to adjust the fuel delivery, the spark timing, and the transmission line pressure for different altitudes.

Brake Switch: Displays Open or Closed. This parameter indicates the state of the brake switch circuit input. Open indicates a zero voltage input (the brake switch is open and the brake pedal is applied). Closed indicates a B+ voltage input (the brake switch is closed and the brake pedal is released).

Cruise Enabled: Displays ON or OFF. This parameter indicates whether the VCM/PCM allows cruise operation. The VCM/PCM has the ability to disable cruise control under certain conditions.

Current DTC Set: Displays Yes or No. This parameter will display Yes if a DTC is active during the current ignition cycle.

Current Gear: Displays 1, 2, 3, or 4. This parameter indicates the current commanded state of the shift solenoids.

Current TAP (Transmission Adaptive Pressure): Range of 0-16. This parameter indicates the current throttle position cell used for line pressure modification (adaptation).

Current TAP Memory: Range of -16.0 to +16.0. This parameter indicates which adaptive cell is currently being utilized for present driving conditions.

DS Desired: Displays Yes or No. This parameter indicates that conditions for a downshift are present and that a downshift has been commanded.

DS in Progress: Displays Yes or No. This parameter indicates when a downshift has started, but the ratio for the new commanded gear has not yet been achieved.

DS Requested: Displays Yes or No. This parameter indicates when a downshift has been commanded, but the shift has not yet started to occur.

ECT (Engine Coolant Temperature): Range -40°C to 151°C (-40°F to 304°F). This parameter is the input signal of the engine coolant temperature sensor. Engine coolant temperature is high when the signal voltage is low (0 volts), and engine coolant temperature is low when the signal voltage is high (5 volts).

ECT Sensor: Range 0.00-4.98 volts. When the sensor is cold and internal resistance is high, the VCM/PCM monitors a high signal voltage. The VMC/PCM interprets this signal as a cold engine. As the sensor warms and internal resistance decreases, the voltage signal will decrease and the VCM/PCM will interpret the lower voltage as a warm engine.

End of Shift: Displays Yes or No. This parameter indicates that an upshift has been completed. Yes will be displayed briefly at the conclusion of an upshift. No indicates all other states.

Engine Run Time: Range of 0:00:00-18:12:15 Hr:Min:Sec. This parameter measures how long the engine has been operating. When you turn the ignition switch Off, the value resets to zero.

Engine Speed: RAnge 0-8192 RPM. This parameter indicates the rotational speed of the engine expressed as revolutions per minute.

Engine Torque: Range 0-9999 lb ft. This parameter is a calculated value based on engine load, throttle position, Mass Air Flow, and other engine and transmission inputs. This parameter is accurate to within 15 lb ft of actual measured engine torque.

Front Axle Switch: Displays Locked or Unlocked. This parameter indicates the current state of the front axle switch. When 4WD High or Low is selected, the front axle switch should change from Unlocked to Locked.

Gear Ratio: Range of 0.00:3.98 to 1. This parameter is the actual gear ratio of the current commanded gear. Calculate the gear ratio by dividing the input Speed by the output speed.

Hot Mode: Displays Yes or No. This parameter monitors the transmission fluid temperature. Yes indicates that the transmission fluid temperature has exceeded 135°C (275°F).

Ignition Volts: Range 0.00-25.5 volts. This parameter measures the current system voltage.

Kickdown Enabled: Displays Yes or No. This parameter indicates whether enabling conditions exist for an acceleration mode downshift. No indicates that enabling conditions do not exist for an acceleration mode downshift. Yes indicates that enabling conditions do exist for an acceleration mode downshift. Enabled conditions include throttle position, vehicle speed and input speed.

Latest Shift: Range 0.00-6.38 seconds. This parameter is the actual shift time of the last upshift. This value is only accurate if the Adaptable Shift parameter indicates Yes.

Latest Shift Error: Range -6.38 to +6.38 seconds. This parameter is the difference between the latest desired shift time and the latest actual shift time. This value is only accurate if the Adaptable Shift parameter indicates Yes.

Long Shift Delay: Displays Yes or No. This parameter indicates whether a long shift delay occurred during the last shift. Yes indicates that a long shift delay did occur. No indicates that a long shift delay did not occur. A shift delay is determined from the time that the VCM/PCM commands the shift to the start of the gear ratio change. No indicates that a shift delay is within a range that enables shift adapts.

Long Shift Time: Displays Yes or No. This parameter indicates whether a long shift time occurred during the last shift. Yes indicates that a long shift time did occur. No indicates that a long shift time did not occur. Shift time is calculated from the beginning of the gear ratio change to the beginning of the next valid ratio range. No indicates that a shift time is within a range that enables shift adapts.

Loop Status: Displays Open or Closed. Closed indicates that the VCM/PCM is controlling fuel delivery according to the oxygen sensor voltage. A reading of Open indicates that the VCM/PCM ignores the oxygen sensor voltage and bases fuel delivery on the TP sensor, the ECT sensor, and the MAP sensor inputs.

MAP (Manifold Absolute Pressure): Range of 10-104 kPa. The MAP sensor is attached to the intake manifold. This sensor measures changes in intake manifold pressure which result from changes in the engine speed and load. The VCM uses this information in order to adjust fuel delivery and spark timing according to incoming air density.

MAP (Manifold Absolute Pressure) Sensor: Range 0.00-4.98 volts. The MAP sensor produces a low signal voltage when the manifold pressure is low and the vacuum is low. The MAP sensor produces a high signal voltage when the pressure is high and the vacuum is low. With the ignition ON and the engine OFF, the manifold pressure is equal to atmospheric pressure, causing the signal voltage to be high. The VCM/PCM uses this information as an indication of the vehicle altitude and the parameter is referred to as BARO.

Max TAP (Transmission Adaptive Pressure): Displays Yes or No. This parameter indicates when the line pressure modification (adaptation) has reached its limit. Yes indicates that the limit has been reached. No indicates that the limit has not been reached.

Odometer: Range 0-999216 miles. This parameter indicates the current vehicle mileage. This number should match the mileage on the dash indicator.

PC (Pressure Control) Act. (Actual) Current: Range 0.00-1.1 amps. This parameter is the actual current of the pressure control solenoid circuit at the control module. Zero amp (no current flow) indicates a commanded maximum line pressure. A reading of 1.1 amp (high current flow) indicates a commanded minimum line pressure.

PC (Pressure Control) Duty Cycle: Range 0-100%. This parameter is the commanded state of the pressure control solenoid expressed as a percentage of energized ON time. A reading of 0% indicates zero ON time (non energized), or no current flow. Approximately 60% at idle indicates maximum ON time (energized), or high current flow.

PC (Pressure Control) Ref. (Reference) Current: Range 0.00-1.1 amps. This parameter is the commanded current of the pressure control solenoid circuit at the control module. Zero amp (no current flow) indicates a commanded higher line pressure. A reading of 1.1 amp (high current flow) indicates a commanded lower line pressure.

PC Sol Low: Displays Normal or Low Volts. This parameter indicates system voltage conditions to the VCM/PCM. This parameter is based on transmission temperature. A reading of Normal indicates that voltage to the VCM/PCM is within a range that allows the PCS to function properly. A reading of Low Volts indicates that the voltage to the VCM/PCM is low and that the PCS has turned off.

Power Enrichment: Displays Active (Yes) or Inactive (No). This parameter indicates when the power enrichment mode is active with a moderate to heavy acceleration. Active (Yes) indicates that the power enrichment mode is active. Inactive (No) indicates that the power enrichment mode is not active.

Shift Completed: Displays Yes or No. This parameter indicates that an upshift has been completed. Yes will display until the next shift occurs and indicates that a shift has been completed . No displays during a shift and indicates that a shift has not been completed

Shift Delay: Range 0.00-6.38 seconds. This parameter indicates the difference between the time in which the VCM/PCM commands the shift, to the start of the gear ratio change.

Standard TAP (Transmission Adaptive Pressure): Displays Yes or No. The standard TAP is an amount of pressure that is added to the base line pressure. If the shift requires standard TAP to achieve the shift, the scan tool displays Yes. If the shift requires more or less than the standard TAP to achieve the shift, the scan tool displays No. This reading indicates that the TAP is out of the standard range.

Start of Shift: Displays Yes or No. This parameter indicates that an upshift has been detected. Yes will be displayed briefly when an upshift is detected. No indicates that an upshift has not been detected.

TAP Shift Torque: Displays Normal or Exceeded. This parameter indicates that amount of engine torque being applied due to the adaptive pressure during a shift.

TCC Duty Cycle: Displays 0-100%. This parameter is the commanded percentage of ON time of the TCC PWM solenoid. 90% represents an ON (energized) commanded state. 0% represents an OFF (non-energized) commanded state.

TCC Duty Open: Displays Yes or No. This parameter indicates if an open or a short to ground exists in the feedback signal from the TCC PWM Solenoid Valve to the VCM.

TCC Duty Shorted: Displays Yes or No. This parameter indicates if a short to B+ exists in the feedback signal from the TCC PWM Solenoid Valve to the VCM.

TCC Enable: Displays On (Yes) or Off (No). This parameter is the commanded state of the TCC PWM Sol. Valve. This commanded state occurs at various vehicle speeds between applications.

TCC (Torque Converter Clutch) Slip Speed: Range -4080 to +4079 RPM. This parameter is the difference between transmission input speed and engine speed. A negative value indicates that the engine speed is less than the input speed (deceleration). A positive value indicates that the engine speed is greater than the input speed (acceleration).

TFP Switch: Displays On/Off, On/Off, On/Off. These parameters are the three inputs from the Automatic Transmission Fluid Pressure Manual Valve Position Switch Assembly. ON represents a 0 voltage signal. OFF represents a B+ voltage signal.

TFT (Transmission Fluid Temperature): Range -40°C to 151°C (-40°F to 304°F). This parameter is the input signal of the transmission fluid temperature sensor. Transmission fluid temperature is high when the signal voltage is low (0 volts), and transmission fluid temperature is low when the signal voltage is high (5 volts).

TFT (Transmission Fluid Temperature) Sensor: Range 0.00-5.00 volts. When the transmission fluid is cold, the sensor resistance is high and the VCM will sense a high signal voltage. As the transmission fluid temperature warms to normal operating temperature, the sensor resistance becomes less and the voltage decreases to about 1.5-2.0 volts.

TP (Throttle Position) Angle: Range of 0-100%. The TP Angle is computed by the PCM from TP voltage. The TP Angle should display 0% at idle and 100% at Wide Open Throttle (WOT).

TP Delta: Displays Normal or Exceeded. This parameter indicates when the TP is within a TP Delta range that enables shift adapts. A TP Delta range is determined by how much the TP moves during the shift calculation. Normal indicates that the TP is within the range. Exceeded indicates that the TP is not within the range.

TP (Throttle Position) Sensor: Range of 0.00-5.00 volts. The VCM/PCM uses the TP Sensor in order to determine the amount of throttle demanded by the driver. Voltage will be below 1 volt at idle. Voltage will be above 4 volts at Wide Open Throttle (WOT).

Trans ISS (Input Speed Sensor): Range 0-8192 RPM. This parameter measures the rotational speed of the input shaft expressed as revolutions per minute. On four-wheel drive applications, the transfer case output shaft speed is measured.

Trans OSS (Output Speed Sensor): Range 0-8192 RPM. This parameter indicates the rotational speed of the transmission output shaft expressed as revolutions per minute.

Trans. Range: Displays Invalid, Reverse, Overdrive, Drive3, Drive2, Low, Park/Neutral. These parameters are the decoded status of the three A/B/C range inputs from the Automatic Transmission Fluid Pressure Manual Valve Position Switch Assembly. The parameters represent the position to the transmission manual valve.

TR Switch: Displays Invalid, Reverse, Overdrive, Drive3, Drive2, Low, or Park/Neutral. These parameters are the decoded status of the three A/B/C range inputs from the Automatic Transmission Fluid Pressure Manual Valve Position Switch Assembly. These parameters indicate the position of the transmission manual valve.

Turbine Speed: Range 0-8192 RPM. This parameter indicates the rotational speed of the Torque Converter Turbine expressed as revolutions per minute. In commanded gears 1, 2, and 3, the turbine speed equals the input speed. In commanded gear 4, the turbine speed equals 3/4 of the input speed.

Upshift: Displays Yes or No. This parameter indicates when the VCM/PCM is requesting an upshift. Yes indicates that an upshift is requested. No indicates that an upshift is not requested.

Upshift Desired: Displays Yes or No. This parameter indicates when conditions exist for an upshift to occur.

Upshift Request: Displays Yes or No. This parameter indicates when conditions exist for an upshift to occur and the shift has been commanded, but the ratio has not yet changed to the next commanded gear.

Vehicle Speed: Range 0-255 km/h (0-158 mph). This parameter is the input signal from the vehicle speed sensor.

VSS Delta: Displays Normal (Yes) or Exceeded (No). This parameter indicates when the VSS is within a range that enables shift adapts. Normal (Yes) indicates that the VSS is within the range. Exceeded (No) indicates that the VSS is not within the range.