OBD Auto Doctor supports the following standard OBD-II parameters (PIDs) as defined in SAE J1979 AUG2014. The actual list of available parameters is vehicle specific. Only the parameters supported by the car will be shown in the software.


OBD-II parameters and sensors

PID Sensor
$01 Monitor status since DTCs cleared
$02 DTC that caused required freeze frame data storage
$03 Fuel system status
$04 Calculated load value
$05 Engine coolant temperature
$06, $08 Short term fuel trim
Bank 1 - 4
$07, $09 Long term fuel trim
Bank 1 - 4
$0A Fuel pressure
$0B Intake manifold absolute pressure
$0C Engine RPM
$0D Vehicle speed sensor
$0E Ignition timing advance for #1 cylinder
$0F Intake air temperature
$10 Air flow rate from mass air flow sensor
$11 Absolute throttle position
$12 Commanded secondary air status
$13, $1D Location of oxygen sensors
$14 - $1B Oxygen sensor output voltage, Short term fuel trim
Bank 1 - 4: Sensor 1 - Sensor 4
$1C OBD requirements to which vehicle or engine is certified
$1E Auxiliary input status
$1F Time since engine start
$21 Distance traveled while MIL is activated
$22 Fuel pressure relative to manifold vacuum
$23 Fuel rail pressure
$24 - $2B Wide range oxygen sensor voltage, Equivalence Ratio (lambda)
Bank 1 - 4: Sensor 1 - Sensor 4
$23 Commanded EGR
$2D EGR error
$2E Commanded evaporative purge
$2F Fuel level input
$30 Number of warm-ups since DTCs cleared
$31 Distance traveled since DTCs cleared
$32 Evap system vapor pressure
$33 Barometric pressure
$34 - $3B Equivalence Ratio (lambda), Wide range oxygen sensor current
Bank 1 - 4: Sensor 1 - 4
$3C - $3F Catalyst temperature
Bank 1 - 2: Sensor 1 - Sensor 2
$42 Control module voltage
$43 Absolute load value
$44 Fuel/Air commanded equivalence ratio
$45 Relative throttle position
$46 Ambient air temperature
$47, $48 Absolute throttle position
B, C
$49 - $4B Accelerator pedal position
D, E, F
$4C Commanded throttle actuator control
$4D Engine run time while MIL is activated
$4E Engine run time since DTCs cleared
$4F, $50 External test equipment configuration information
#1, #2
$51 Type of fuel currently being utilized by the vehicle
$52 Alcohol fuel percentage
$53 Absolute evap system vapor pressure
$54 Evap system vapor pressure
$55, $57 Short term secondary O2 sensor fuel trim
Bank 1 - Bank 4
$56, $58 Long term secondary O2 sensor fuel trim
Bank 1 - Bank 4
$59 Fuel rail pressure
$5A Relative accelerator pedal position
$5B Hybrid/EV battery pack remaining charge
$5C Engine oil temperature
$5D Fuel injection timing
$5E Engine fuel rate
$5F Emission requirements to which vehicle is designed
$61 Driver’s demand engine – percent torque
$62 Actual engine – percent torque
$63 Engine reference torque
$64 Engine percent torque data
At idle, Point 1
Point 2 – 5
$65 Auxiliary input / outputs
Power take off
Auto trans neutral driver
Manual trans neutral gear
Glow plug lamp
$66 Mass air flow sensor
Sensor A, B
$67 Engine coolant temperature
Sensor 1, 2
$68 Intake air temperature sensor
Bank 1 - 2: Sensor 1 - 3
$69 Commanded EGR and EGR error
Commanded EGR duty cycle position A and B
Actual EGR duty cycle position A and B
EGR error A and B
$6A Commanded diesel intake air flow control and relative intake air flow position
Commanded intake air flow control A and B
Relative intake air flow position A and B
$6B Exhaust gas recirculation temperature
Bank 1 - 2: Sensor 1 - 2
$6C Commanded throttle actuator control and relative throttle position
Commanded throttle actuator control A and B
Relative throttle position A and B
$6D Fuel pressure control system
Commanded fuel rail pressure A and B
Fuel rail pressure A and B
Fuel rail temperature A and B
$6E Injection pressure control system
Commanded injection control pressure A and B
Injection control pressure A and B
$6F Turbocharger compressor inlet pressure
Turbocharger compressor inlet pressure sensor A and B
Injection control pressure A and B
$70 Boost pressure control
Commanded boost pressure A and B
Boost pressure A and B
Boost pressure control status A and B
$71 Variable geometry turbo (VGT) control
Commanded variable geometry turbo A and B
Variable geometry turbo A and B
VGT control status A and B
$72 Wastegate control
Commanded wastegate position A and B
Wastegate position A and B
$73 Exhaust pressure
Exhaust pressure sensor bank 1 - 2
$74 Turbocharger RPM
Turbocharger RPM A and B
$75, $76 Turbocharger Temperature A and B
Turbocharger compressor inlet temperature
Turbocharger compressor outlet temperature
Turbocharger turbine outlet temperature
$77 Charge air cooler temperature (CACT)
Bank 1 - 2: Sensor 1 - 2
$78, $79 Exhaust gas temperature (EGT)
Bank 1 - 2: Sensor 1 - 4
$7A, $7B Diesel particulate filter (DPF), Bank 1 - 2
Delta pressure
Inlet pressure
Outlet pressure
$7C Diesel particulate filter (DPF) temperature
Inlet temperature, bank 1 - 2
Outlet temperature, bank 1 - 2
$7D NOx NTE control area status
$7E PM NTE control area status
$7F Engine run time
Total engine run time
Total idle run time
Total run time with PTO active
Fuel consumption
Gasoline and diesel, calculated
Battery voltage (reported by the adapter)