AutoTap Express DIY logo
Tech Library
Support
800-346-3119
Introducing the all new AutoTap Express DIY!

Enhanced Parameters for GM

  • # of 4x Ref Pulses between CAM Counter
  • # OF EGR ADAPTIVE LEARN MATRIX CELLS OUT OF RANGE High
  • # OF EGR ADAPTIVE LEARN MATRIX CELLS OUT OF RANGE LOW
  • 1-2 Adapt High Cell
  • 1-2 Adapt Low Cell
  • 1-2 Shift Desired WOT RPM
  • 1-2 Shift Time
  • 1-2 Shift Time Error
  • 1-2 Shift WOT RPM Adapt
  • 2-1 Shift Time
  • 2-3 Adapt High Cell
  • 2-3 Adapt Low Cell
  • 2-3 Shift Time
  • 2-3 Shift Time Error
  • 2-3 Solenoid Circuit Status
  • 3-2 Shift Time
  • 3-4 Adapt High Cell
  • 3-4 Adapt Low Cell
  • 3-4 Shift Time
  • 3-4 Shift Time Error
  • 4-3 Shift Time
  • A/C Evap Temp
  • A/C Highside Temperature
  • A/C Lowside Temperature
  • A/C Relay Circuit Status
  • Abnormal/Misfire Test Ratio
  • Actual Diesel Injection Pump Timing
  • Actual EGR Position
  • Adaptive Knock Retardr
  • Adaptive Pressure Mod 2
  • Adaptive Pressure Mod 2-2
  • Adaptive Pressure Mod 2-3
  • Adaptive Pressure Mod 3
  • Adaptive Pressure Mod 3-1
  • Adaptive Pressure Mod 3-2
  • Adaptive Pressure Mod 3-3
  • Air Conditioner Pressure
  • Air Fuel Ratio
  • Air Pump Diag. Percent Lean Time
  • Air Pump Diag. Percent Rich Time
  • Air Pump Diagnostic Active Time
  • AIR Pump Relay
  • AIR Solenoid
  • AIR Solenoid Circuit Status
  • Alternator F-Terminal Voltage or Generator PWM
  • APP Average
  • APP Indicated Angle
  • APP Sensor 1 Angle
  • APP Sensor 1 Volts
  • APP Sensor 2 Angle
  • APP Sensor 2 Volts
  • APP Sensor 3 Angle
  • APP Sensor 3 Volts
  • ATC Slip Speed
  • Auxiliary Input Status
  • Average Air Flow When Rear O2 Went Active
  • Averaged Front Oxygen Sensor
  • Averaged Rear Oxygen Sensor
  • Bank 1 HO2S Crossover Counts
  • Bank 2 HO2S Crossover Counts
  • BARO
  • Barometric Pressure
  • Base Pulse Width
  • Battery Voltage
  • BLM cell 0. Closed throttle, low MAP
  • BLM cell 1. Closed throttle, low MAP
  • BLM cell 2. open throttle, low MAP
  • BLM cell 3. open throttle, high MAP
  • Boost Solenoid Circuit Status
  • Brake Booster Vacuum
  • Calculated A/C Load
  • Calculated Barometric Pressure
  • Calculated Converter Temperature
  • Calculated EGR Percent
  • Calculated Engine Coolant Temperature
  • Calculated Engine Load
  • Calculated Engine Torque
  • Calculated Flow
  • Calculated Vacuum
  • CAM Engine Speed Activity
  • CAM Re-Syncs Counter
  • CAM Signal Input - High
  • CAM Signal Input - Low
  • Catalyst Damaging Misfire Timer
  • Catalyst EWMA Samples
  • Catalyst Monitor Average Deviation
  • Catalyst Monitor EWMA Sample Counter Bank 1
  • Catalyst Monitor Filtered Deviation Difference
  • Catalyst Monitor Non-Volatile Average Airflow
  • Catalyst Monitor Non-Volatile Storage of Converter Temperature at idle
  • Catalyst monitor Oxygen Sensor
  • Catalyst Monitor Oxygen Storage Difference Value
  • Catalyst Monitor Oxygen Storage EWMA Value
  • Catalyst Monitor Oxygen Storage Fail Threshold
  • Catalyst Test Fail Threshold
  • Catalyst Test Time Difference EWMA
  • CCP Purge Duty Cycle
  • Change Engine Oil Lamp Circuit Status
  • CKP Sensor Status
  • Closed Loop Integrator Value
  • CMP Retard
  • Commanded Line Pressure
  • Commanded Pressure
  • Controlled Canister Perge Solenoid
  • Converter Test Samples
  • Coolant Gauge Command
  • Coolant Temperature
  • Coolant Temperature Sensor
  • Crank Ref Missed (Diesel) TDC Offset
  • CRANKSHAFT POSITION SENSOR LOW RESOLUTION ANGLE
  • Cruise Delta
  • Cruise Disengage 1 History
  • Cruise Disengage 2 History
  • Cruise Disengage 3 History
  • Cruise Disengage 4 History
  • Cruise Disengage 5 History
  • Cruise Disengage 6 History
  • Cruise Disengage 7 History
  • Cruise Disengage 8 History
  • Cruise Inhibit Reason
  • Cruise Inhibit Signal Circuit Status
  • Cruise Switch A/D Input Voltage
  • Cruise Vehicle Set Speed
  • Current Adaptive Cell
  • Current Command Gear
  • Current Gear
  • Current IAC Memory
  • Current Octane Level
  • Current TAP (Transmission Adaptive Pressure) Cell
  • Cycles of Misfire Data
  • Cyl. #1 Injector Ckt. Status
  • Cyl. #2 Injector Ckt. Status
  • Cyl. #3 Injector Ckt. Status
  • Cylinder 1 IC Circuit Status
  • Cylinder 1 Injector Circuit History
  • Cylinder 1 Injector Circuit Status
  • Cylinder 2 IC Circuit Status
  • Cylinder 2 Injector Circuit History
  • Cylinder 2 Injector Circuit Status
  • Cylinder 3 IC Circuit Status
  • Cylinder 3 Injector Circuit History
  • Cylinder 3 Injector Circuit Status
  • Cylinder 4 IC Circuit Status
  • Cylinder 4 Injector Circuit History
  • Cylinder 4 Injector Circuit Status
  • Cylinder 5 IC Circuit Status
  • Cylinder 5 Injector Circuit History
  • Cylinder 5 Injector Circuit Status
  • Cylinder 6 IC Circuit Status
  • Cylinder 6 Injector Circuit History
  • Cylinder 6 Injector Circuit Status
  • Cylinder Air
  • Cylinder Mode Misfire Index
  • Cylinder Mode Misfire Index Level (1st peak)
  • Default: Force Motor Commanded Current
  • Delivered Engine Torque
  • Delivered Torque
  • Desired Air Fuel Ratio
  • Desired Diesel Injection Pump Timing
  • Desired EGR Position
  • Desired Gear
  • Desired Gear Turbine Slip Speed
  • Desired IAC
  • Desired IAC Position
  • Desired Idle
  • Desired Idle Air Control Airflow
  • Desired Idle Speed
  • Desired Linear EGR Position
  • Desired Torque
  • Desired Torque Level
  • Diesel Fuel Injection Pump Solenoid Closure Time
  • Driver Module 1 Status
  • Driver Module 2 Status
  • Driver Module 3 Status
  • Driver Module 4 Status
  • ECT Sensor
  • EGR Adaptive Learn Matrix Cell Number
  • EGR Circuit History
  • EGR Circuit Status
  • EGR Decel EWMA Threshold
  • EGR Decel Filter
  • EGR Delta MAP Calculation
  • EGR Desired Position
  • EGR Duty Cycle
  • EGR Pintle Position
  • EGR Pintle Position Error
  • EGR Position
  • EGR Position Sensor
  • EGR Pressure Delta
  • EGR Sensor
  • EGR Solenoid Circuit History
  • EGR Solenoid Circuit Status
  • EGR Solenoid Circuit Status
  • EGR Test Count
  • Electronic Spark Advance Modifier
  • Electronic Spark Control Activity
  • Engine Coolant Temperature
  • Engine Coolant Temperature
  • Engine Coolant Temperature at Misfire
  • Engine Coolant Temperature at startup
  • Engine Load at Misfire
  • Engine Oil Life Remaining
  • Engine Oil Pressure
  • Engine Oil Temperature
  • Engine RPM/MPH Ratio
  • Engine Run Time
  • Engine Speed
  • Engine Speed at Misfire
  • Engine Torque
  • Enhanced Evap Fault History
  • ESC Active Counter
  • ESC Diagnostic Pass Counter
  • EST1 Volts at Fail
  • EST2 Volts at Fail
  • EVAP Duty Cycle
  • EVAP Fault History
  • EVAP Purge Solenoid
  • EVAP Purge Solenoid Circuit Status
  • Evap Tamk Vacuum Decay Slope
  • Evap Tank Pressure Decay Slope
  • Evap Tank Vacuum Decay Slope
  • Evap Tank Vacuum Filtered
  • EVAP Test Abort Reason
  • EVAP Test Result
  • EVAP Test State
  • EVAP Vent Solenoid
  • EVAP Vent Solenoid Circuit Status
  • EVO Duty Cycle
  • EVO Feedback Voltage
  • Exhaust Oxygen Sensor
  • Fail Counter
  • Fast Idle Setting
  • FC Relay 1 Circuit Status
  • FC Relay 2 and 3 Circuit Status
  • Force Motor Actual Current
  • Force Motor Current Error
  • Force Motor Current Ref
  • Force Motor Duty Cycle
  • Front Propshaft Speed
  • Fuel Cutoff
  • Fuel Injection Pump Injection Angle
  • Fuel Level
  • Fuel Level Sensor
  • Fuel Level Sensor Right Tank
  • Fuel Pressure (Gage)
  • Fuel Pump Ckt. History
  • Fuel Pump Ckt. Status
  • Fuel Pump Relay Circuit History Status
  • Fuel Pump Relay Circuit Status
  • Fuel Pump Voltage
  • Fuel Pump Voltage Feedback
  • Fuel Rate
  • Fuel System Status Bank 1
  • Fuel Tank Level Remaining
  • Fuel Tank Pressure
  • Fuel Tank Rated Capacity
  • Fuel Temperature
  • Fuel Trim Cell
  • Fuel Trim Cell Bank 1
  • Fuel Trim Cell Bank 2
  • Fuel Trim Index
  • Fuzzy Down Shift Quadrant
  • Garage Shift Adapt
  • Garage Shift Adapt-Drive High
  • Garage Shift Adapt-Drive Low
  • Garage Shift Adapt-Reverse High
  • Garage Shift Adapt-Reverse Low
  • Gear Box Ratio
  • Gear Box Torque
  • Glow Plug System Type
  • Glow Plug Voltage
  • Grade Load Shift Quadrant
  • High Cell Data Pressure
  • High MAP RAT Fail Count
  • High Spark Modifier
  • HO2S Bank 1 Sensor 1
  • HO2S Bank 1 Sensor 2
  • HO2S Bank 2 Sensor 1
  • HO2S Bank 2 Sensor 2
  • HO2S Sensor 1 Bank 1
  • HO2S Sensor 1 Bank 2
  • HO2S Sensor 2 Bank 1
  • HO2S Sensor 3 Bank 1
  • HO2S Xcounts Bank 1
  • HO2S Xcounts Bank 2
  • IAC Learned Position with A/C
  • IAC Motor Desired Position
  • IAC Motor Present Position
  • IAC Position
  • IAT Sensor
  • Idle Air Control Motor Position
  • Idle Diagnostic Filtered RPM Error
  • Ignition 0 Input Voltage
  • Ignition 0 Voltage
  • Ignition 1 Voltage
  • Ignition Cycle Counter
  • Ignition Timing Advance
  • Ignition Voltage
  • Ingition 1 Voltage From PPSW
  • Injection Pump CAM Ref Missed
  • Injector Pulse Width #1
  • Injector Pulse Width #2
  • Injector Pulse Width #3
  • Injector Pulse Width #4
  • Injector Pulse Width Average Bank 1
  • Injector Pulse Width Average Bank 2
  • Injector Pulse Width Bank 1
  • Injector Pulse Width Bank 2
  • Injector PWM Average Bank 1
  • Injector PWM Average Bank 2
  • Input Speed
  • Intake Air Temperature
  • Knock Retard
  • Knock Sensor
  • Knock Sensor Active Counter
  • Knock Sensor Minimum Learned Noise
  • Knock Sensor Noise Channel
  • Knock Sensor Voltage
  • Knock/Octane Adjust
  • KS Activity
  • KS Adjust Factor
  • Largest Positive MAF Error
  • Last Adapt Highest PWM
  • Last Adaptive Pressure
  • Last Shift Time
  • Last Shift Time Error
  • Last Tap
  • Lift Pump Volts
  • Linear EGR Closed Valve Pintel Postion
  • Linear Exhaust Gas Recirculation Feedback
  • Linear Exhaust Gas Recirculation Normalized
  • Long Term Fuel Trim Bank 1
  • Long Term Fuel Trim Bank 2
  • Long Term Fuel Trim Cruise
  • Long Term Fuel Trim Decal
  • Long Term Fuel Trim Idle
  • Lopp Status
  • Low Oil Lamp Circuit Status
  • Low Resolution Signal
  • Low Spark Modifier
  • Lowest EGR Pressure
  • MAF Frequency
  • MAF Idle Diagnostic Full EGR
  • MAF Idle Diagnostic No EGR
  • Manifold Absolute Pressure
  • Manifold Absolute Pressure (MAP)
  • Manifold Air Temperature
  • Mass Air Flow
  • Mass Air Flow Rate
  • Mass Air Flow Raw Input Frequency
  • Mass Air Flow Sensor 1
  • Maximum number of failed emission tests out of last 16
  • Maximum Throttle Position
  • Medium Resolution Engine Speed Activity
  • Medium Resolution Re-Syncs Counter
  • Mid Spark Modifier
  • MIL Circuit Status
  • Mileage Since First Fail
  • Mileage Since Last Code Clear
  • Mileage Since Last Fail
  • Minimum Throttle Position
  • Misfire Current #1
  • Misfire Current #2
  • Misfire Current #3
  • Misfire Current #4
  • Misfire Current #5
  • Misfire Current #6
  • Misfire Current #7
  • Misfire Current #8
  • Misfire Current Cylinder #1
  • Misfire Current Cylinder #2
  • Misfire Current Cylinder #3
  • Misfire Current Cylinder #4
  • Misfire Current Cylinder #5
  • Misfire Current Cylinder #6
  • Misfire Current Cylinder #7
  • Misfire Current Cylinder #8
  • Misfire Cycle Delay Counter
  • Misfire Failures
  • Misfire History #1
  • Misfire History #2
  • Misfire History #3
  • Misfire History #4
  • Misfire History #5
  • Misfire History #6
  • Misfire History #7
  • Misfire History #8
  • Misfire History Cylinder #1
  • Misfire History Cylinder #2
  • Misfire History Cylinder #3
  • Misfire History Cylinder #4
  • Misfire History Cylinder #5
  • Misfire History Cylinder #6
  • Misfire History Cylinder #7
  • Misfire History Cylinder #8
  • Misfires per Cycle Status
  • No Results Counter
  • Non-Driven Wheel Speed
  • Number of Catalyst Tests Bank 1
  • Number Of DTC(s)
  • Number of Fail Emission MIS Tests out of Las 16
  • Number of Failed Catalyst Misfire Tests of Last 16
  • Number of Failed Catalyst Misfire Tests of Last 16 since code Clear
  • Number of Misfires
  • Number of Normals
  • O2 Average Bias Voltage
  • O2 Heater Time to Activity Bank 2 Sensor 3
  • O2 Heater Time to Activity Sensor 1
  • O2 Heater Time to Activity Sensor 2
  • O2 Lean/Rich Average Time
  • O2 Lean/Rich Transitions
  • O2 Response Lean to Rich Switches Bank 1 Sensor 1
  • O2 Response Lean to Rich Switches Bank 1 Sensor 2
  • O2 Response Lean to Rich Switches Bank 2 Sensor 1
  • O2 Response Lean to Rich Transition Time Bank 1 Sensor 1
  • O2 Response Rich to Lean Average Time Bank 2 Sensor 1
  • O2 Response Rich to Lean Switches Bank 1 Sensor 1
  • O2 Response Rich to Lean Switches Bank 1 Sensor 2
  • O2 Response Rich to Lean Switches Bank 2 Sensor 1
  • O2 Response Rich to Lean Transition Time Bank 1 Sensor 1
  • O2 Response Rich to Lean Transition Time Bank 1 Sensor 2
  • O2 Response Rich to Lean Transition Time Bank 2 Sensor 1
  • O2 Rich/Lean Average Time
  • O2 Rich/Lean Transitions
  • O2 Sensor - Bank 1 Sensor 1
  • O2 Sensor - Bank 1 Sensor 2
  • O2 Sensor - Bank 1 Sensor 3
  • O2 Sensor - Bank 1 Sensor 4
  • O2 Sensor - Bank 2 Sensor 1
  • O2 Sensor - Bank 2 Sensor 2
  • O2 Sensor - Bank 2 Sensor 3
  • O2 Sensor - Bank 2 Sensor 4
  • OBD Requirements
  • Odometer
  • Output Speed
  • Outside Air Temperature
  • Pass Counter
  • Passkey II Input Time Period
  • PC (Pressure Control) Solenoid Duty Cycle
  • PCS Actual Current
  • PCS Desired Current
  • PCS Duty Cycle
  • Present Gear Ratio
  • Pressure Control Actual Current
  • Pressure Control Reference Circuit
  • Pressure Torque Signal
  • PRND A Input
  • PRND B Input
  • PRND C Input
  • PRND P Input
  • PRND Position
  • PRNDL
  • PRNDL A
  • PRNDL B
  • PRNDL C
  • PRNDL P
  • Puge Learned Memory
  • Purge Long Term Fuel Trim #1
  • Purge Long Term Fuel Trim #2
  • Purge Long Term Fuel Trim #3
  • Purge Long Term Fuel Trim #4
  • Rear O2 Current Non-Volatile
  • Rear O2 Fail Time Left
  • Rear O2 Time to Activity
  • Rear Propshaft Speed
  • Ref. Low Voltage
  • Revolution Mode Misfire Index
  • Revolution Mode Misfire Index (Balance Time)
  • Revolution Mode Misfire Index Level
  • Rich/Lean to Lean/Rich Ratio Sen. 1
  • Service Spark Retard
  • Shift Adapt Pressure
  • Shift Delay
  • Shift Error 1-2
  • Shift Error 2-3
  • Shift Error 3-4
  • Shift Pattern
  • Shift Pressure
  • Shift RPM
  • Shift Time 1 2
  • Shift Time 2 3
  • Shift Time 3-4
  • Shift Time Error 1 2
  • Shift Time Error 2 3
  • Shift Time Error for 1-2 Shift
  • Shift Time Error for 2-3 Shift
  • Shift Time Error for 3-4 Shift
  • Shift Time Error for Latest Shift
  • Shift Time Pressure Error
  • Shift Torque
  • Short Term Fuel Trim Bank 1
  • Short Term Fuel Trim Bank 2
  • Slip Adapt PWM
  • Solenoid Duty Cycle
  • Spark
  • Spark Advance
  • Spark Advance From Reference
  • Speed Ratio
  • Start Up Engine Coolant Temperature
  • Start Up Intake Air Temperature
  • Starter Enable Relay Circuit Status
  • Startup Coolant Temperature
  • Steady State Adapt 2nd Gear
  • Steady State Adapt Pressure
  • Steady State Adaptive-1st Gear
  • Steady State Adaptive-2nd Gear W/TCC
  • Steady State Adaptive-3rd Gear
  • Steady State Adaptive-3rd Gear W/TCC
  • Steady State Adaptive-4th Gear
  • Steady State Adaptive-4th Gear W/TCC
  • Steady State Adaptive-Reverse
  • Steady State Mode
  • Steady State Slip Accumulator
  • SuperCharger Boost
  • TAC Module Calibrated ID
  • TAC Module Calibration ID Byte 1
  • TAC Module Calibration ID Byte 2
  • TAC Module Calibration ID Byte 3
  • TAC Module Calibration ID Byte 4
  • TAC Module S/W Level
  • Tachometer Circuit History
  • Tachometer Circuit Status
  • Tachometer Ckt. History
  • Tachometer Ckt. Status
  • TCC Apply Time
  • TCC Duty Cycle
  • TCC Mode
  • TCC Pressure Commanded
  • TCC PWM Duty Cycle
  • TCC Ramp Off Time
  • TCC Slip
  • TCC Slip Speed
  • TCS Circuit History
  • TCS Circuit Status
  • TDC Offset
  • TFP Range
  • TFP Sw.
  • TFP Sw. A/B/C
  • TFT Sensor
  • TFT Sensor Voltage
  • Throttle Angle At Shift
  • Throttle Position #2 or Applied Pedal Position
  • Throttle Position #3 or Applied Pedal Position
  • Throttle Position Angle
  • Throttle Position Desired Angle
  • Throttle Position Sensor
  • Throttle Position Sensor Normalized in Degrees
  • Throttle Position Sensor Normalized in Pecent
  • Throttle Position Voltage
  • Time of Latest 1-2 Shift
  • Time of Latest 2-3 Shift
  • Time of Latest 3-4 Shift
  • Time of Latest Shift
  • Torque Management Spark Retard
  • Total Misfire Current Count
  • Total Misfire Failures Since First Fail
  • Total Misfire Pass
  • Total Misfire Passes Since First Fail
  • Total Misfires per Test Special
  • TP Angle
  • TP Sensor
  • TP Sensor 1 Angle
  • TP Sensor 1 Volts
  • TP Sensor 2 Angle
  • TP Sensor 2 Volts
  • TPS Learned Correction Factor Percent
  • TR Sw.
  • TR Switch
  • Traction Control Delivered Torque
  • Traction Control Shift Quadrant
  • Traction Control System PWM Input
  • Transaxle Oil Temperature
  • Transmission Diagnostic Code Set
  • Transmission Fluid Temperature
  • Transmission Input Shaft Speed
  • Transmission Input Speed
  • Transmission Oil Life
  • Transmission Oil Temperature
  • Transmission Output Shaft Speed
  • Transmission Output Speed
  • Transmission Pressure
  • Transmission Range
  • Transmission Range Range Park/Reverse/Neutral/Overdrive/Drive 3/Drive 2/Low/Invalid
  • Transmission Steady State Clutch Slip Speed
  • Transmission Temperature
  • Transmission Temperature Sensor
  • Turbine Speed
  • Turbo Boost Pressure
  • TWC Monitor Average Deviation Difference Failure Threshold
  • TWC Monitor Deviation Difference Failure Threshold
  • Unfiltered ABS Speed (LF)
  • Unfiltered ABS Speed (Rear)
  • Unfiltered ABS Speed (RF)
  • Vehicle Speed
  • Vehicle Theft Deterrent Auto Learn Counter
  • Vehicle Theft Deterrent Seed and KeyTimer
  • Vehicle Theft Deterrent Timer
  • Warm up cycles without a non-emission fault
  • Warm up cycles without an emission fault
  • Wheel Acceleration Acel/Decel
  • Z-Body: Filtered Grade Load
  • Z-Body: Shift Fail Counter
  • Z-Body: Steady State Ratio Fail Counter