PID Details

Mode
(hex)

PID
(hex)

Data bytes returned

Description

Min value

Max value

Units

Formula

01

00

4

PIDs supported

Bit encoded [A7..D0] == [PID 0x01..PID 0x20]

01

01

4

Number of trouble codes and I/M info

Bit encoded.

01

03

2

Fuel system status

Bit encoded.

01

04

1

Calculated engine load value

0

100

%

A*100/255

01

05

1

Engine coolant temperature

-40

215

°C

A-40

01

06

1

Short term fuel % trim—Bank 1

-100 (lean)

99.22 (rich)

%

0.7812 * (A-128)

01

07

1

Long term fuel % trim—Bank 1

-100 (lean)

99.22 (rich)

%

0.7812 * (A-128)

01

08

1

Short term fuel % trim—Bank 2

-100 (lean)

99.22 (rich)

%

0.7812 * (A-128)

01

09

1

Long term fuel % trim—Bank 2

-100 (lean)

99.22 (rich)

%

0.7812 * (A-128)

01

0A

1

Fuel pressure

0

765

KPa (gauge)

A*3

01

0B

1

Intake manifold pressure

0

255

KPa (absolute)

A

01

0C

2

Engine RPM

0

16,383.75

Rpm

((A*256)+B)/4

01

0D

1

Vehicle speed

0

255

km/h

A

01

0E

1

Timing advance

-64

63.5

° relative to #1 cylinder

A/2 – 64

01

0F

1

Intake air temperature

-40

215

°C

A-40

01

10

2

MAF air flow rate

0

655.35

g/s

((256*A)+B) / 100

01

11

1

Throttle position

0

100

%

A*100/255

01

12

1

Sec.(?) air status

Bit encoded.

01

13

1

Oxygen sensors present

[A0..A3] == Bank 1, Sensors 1-4. [A4..A7] == Bank 2...

01

14

2

Bank 1, Sensor 1:
Oxygen sensor voltage,
Short term fuel trim

0
0

1.275
99.2

Volts
%

A * 0.005
(B-128) * 0.7812 (if B==0xFF, sensor is not used in trim calc)

01

15

2

Bank 1, Sensor 2:
Oxygen sensor voltage,
Short term fuel trim

0
0

1.275
99.2

Volts
%

A * 0.005
(B-128) * 0.7812 (if B==0xFF, sensor is not used in trim calc)

01

16

2

Bank 1, Sensor 3:
Oxygen sensor voltage,
Short term fuel trim

0
0

1.275
99.2

Volts
%

A * 0.005
(B-128) * 0.7812 (if B==0xFF, sensor is not used in trim calc)

01

17

2

Bank 1, Sensor 4:
Oxygen sensor voltage,
Short term fuel trim

0
0

1.275
99.2

Volts
%

A * 0.005
(B-128) * 0.7812 (if B==0xFF, sensor is not used in trim calc)

01

18

2

Bank 2, Sensor 1:
Oxygen sensor voltage,
Short term fuel trim

0
0

1.275
99.2

Volts
%

A * 0.005
(B-128) * 0.7812 (if B==0xFF, sensor is not used in trim calc)

01

19

2

Bank 2, Sensor 2:
Oxygen sensor voltage,
Short term fuel trim

0
0

1.275
99.2

Volts
%

A * 0.005
(B-128) * 0.7812 (if B==0xFF, sensor is not used in trim calc)

01

1A

2

Bank 2, Sensor 3:
Oxygen sensor voltage,
Short term fuel trim

0
0

1.275
99.2

Volts
%

A * 0.005
(B-128) * 0.7812 (if B==0xFF, sensor is not used in trim calc)

01

1B

2

Bank 2, Sensor 4:
Oxygen sensor voltage,
Short term fuel trim

0
0

1.275
99.2

Volts
%

A * 0.005
(B-128) * 0.7812 (if B==0xFF, sensor is not used in trim calc)

01

1C

1

OBD standards this vehicle conforms to

Bit encoded. See below.

01

1D

1

Oxygen sensors present

Similar to PID 13, but [A0..A7] == [B1S1, B1S2, B2S1, B2S2, B3S1, B3S2, B4S1, B4S2]

01

1E

1

Auxiliary input status

A0 == Power Take Off (PTO) status (1 == active)
[A1..A7] not used

01

1F

2

Run time since engine start

0

65,535

seconds

(A*256)+B

01

20

4

PIDs supported 21-40

Bit encoded [A7..D0] == [PID 0x21..PID 0x40]

01

21

2

Distance traveled with MIL on

0

65,535

km

(A*256)+B

01

22

2

Fuel Rail Pressure (relative to manifold vacuum)

0

5177.265

kPa

((A*256)+B) * 0.079

01

23

1 (?)

Fuel Pressure (diesel)

0

765 (?)

kPa (gauge)

A*3 (?)

01

24

4

O2S1_WR_lambda(1):
Equivalence Ratio
Voltage

0
0

2
8

N/A
V

((A*256)+B)*0.0000305
((C*256)+D)*0.000122

01

25

4

O2S2_WR_lambda(1):
Equivalence Ratio
Voltage

0
0

2
8

N/A
V

((A*256)+B)*0.0000305
((C*256)+D)*0.000122

01

26

4

O2S3_WR_lambda(1):
Equivalence Ratio
Voltage

0
0

2
8

N/A
V

((A*256)+B)*0.0000305
((C*256)+D)*0.000122

01

27

4

O2S4_WR_lambda(1):
Equivalence Ratio
Voltage

0
0

2
8

N/A
V

((A*256)+B)*0.0000305
((C*256)+D)*0.000122

01

28

4

O2S5_WR_lambda(1):
Equivalence Ratio
Voltage

0
0

2
8

N/A
V

((A*256)+B)*0.0000305
((C*256)+D)*0.000122

01

29

4

O2S6_WR_lambda(1):
Equivalence Ratio
Voltage

0
0

2
8

N/A
V

((A*256)+B)*0.0000305
((C*256)+D)*0.000122

01

2A

4

O2S7_WR_lambda(1):
Equivalence Ratio
Voltage

0
0

2
8

N/A
V

((A*256)+B)*0.0000305
((C*256)+D)*0.000122

01

2B

4

O2S8_WR_lambda(1):
Equivalence Ratio
Voltage

0
0

2
8

N/A
V

((A*256)+B)*0.0000305
((C*256)+D)*0.000122

01

2C

1

Commanded EGR

0

100

%

100*A/255

01

2D

1

EGR Error

-100

99.22

%

A*0.78125 - 100

01

2E

1

Commanded evaporative purge

0

100

%

100*A/255

01

2F

1

Fuel Level Input

0

100

%

100*A/255

01

30

1

# of warm-ups since codes cleared

0

255

N/A

A

01

31

2

Distance traveled since codes cleared

0

65,535

km

(A*256)+B

01

32

2

Evap. System Vapor Pressure

-8,192

8,192

Pa

((A*256)+B)/4 - 8,192

01

33

1

Barometric pressure

0

255

kPa (Absolute)

A

01

34

4

O2S1_WR_lambda(1):
Equivalence Ratio
Current

0
-128

2
128

N/A
mA

((A*256)+B)*0.0000305
((C*256)+D)*0.00391 - 128

01

35

4

O2S2_WR_lambda(1):
Equivalence Ratio
Current

0
-128

2
128

N/A
mA

((A*256)+B)*0.0000305
((C*256)+D)*0.00391 - 128

01

36

4

O2S3_WR_lambda(1):
Equivalence Ratio
Current

0
-128

2
128

N/A
mA

((A*256)+B)*0.0000305
((C*256)+D)*0.00391 - 128

01

37

4

O2S4_WR_lambda(1):
Equivalence Ratio
Current

0
-128

2
128

N/A
mA

((A*256)+B)*0.0000305
((C*256)+D)*0.00391 - 128

01

38

4

O2S5_WR_lambda(1):
Equivalence Ratio
Current

0
-128

2
128

N/A
mA

((A*256)+B)*0.0000305
((C*256)+D)*0.00391 - 128

01

39

4

O2S6_WR_lambda(1):
Equivalence Ratio
Current

0
-128

2
128

N/A
mA

((A*256)+B)*0.0000305
((C*256)+D)*0.00391 - 128

01

3A

4

O2S7_WR_lambda(1):
Equivalence Ratio
Current

0
-128

2
128

N/A
mA

((A*256)+B)*0.0000305
((C*256)+D)*0.00391 - 128

01

3B

4

O2S8_WR_lambda(1):
Equivalence Ratio
Current

0
-128

2
128

N/A
mA

((A*256)+B)*0.0000305
((C*256)+D)*0.00391 - 128

01

3C

2

Catalyst Temperature
Bank 1, Sensor 1

-40

6,513.5

°C

((A*256)+B)/10 –40

01

3D

2

Catalyst Temperature
Bank 1, Sensor 2

-40

6,513.5

°C

((A*256)+B)/10 –40

01

3E

2

Catalyst Temperature
Bank 2, Sensor 1

-40

6,513.5

°C

((A*256)+B)/10 –40

01

3F

2

Catalyst Temperature
Bank 2, Sensor 2

-40

6,513.5

°C

((A*256)+B)/10 –40

01

40

4

PIDs supported 41-60 (?)

Bit encoded [A7..D0] == [PID 0x41..PID 0x60] (?)

01

42

2

Control module voltage

0

65.535

V

((A*256)+B)/1000

01

43

2

Absolute load value

0

25696

%

((A*256)+B)*100/255

01

44

2

Command equivalence ratio

0

2

N/A

((A*256)+B)*0.0000305

01

45

1

Relative throttle position

0

100

%

A*100/255

01

46

1

Ambient air temperature

-40

215

°C

A-40

01

47

1

Absolute throttle position B

0

100

%

A*100/255

01

48

1

Absolute throttle position C

0

100

%

A*100/255

01

49

1

Accelerator pedal position D

0

100

%

A*100/255

01

4A

1

Accelerator pedal position E

0

100

%

A*100/255

01

4B

1

Accelerator pedal position F

0

100

%

A*100/255

01

4C

1

Commanded throttle actuator

0

100

%

A*100/255

01

4D

2

Time run with MIL on

0

65,535

minutes

(A*256)+B

01

4E

2

Time since trouble codes cleared

0

65,535

minutes

(A*256)+B

02

02

2

Freeze frame trouble code

BCD encoded.

03

N/A

N*6

Request trouble codes

3 codes per message frame, BCD encoded.

04

N/A

0

Clear trouble codes / MIL

Clears all stored trouble codes and turns the MIL off.

09

02

5x5

Vehicle serial number

Returns 5 lines, A is line ordering flag, B-E ASCII coded VIN digits.