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Audi A3 e-tron

Control parameters

The Audi A3 e-tron has 44 control parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Absolute pedal position, drive AUDI_APP_DConfirmed

  • Request22 F4 49
  • Service 22DID F449
  • Module746 → 7B0
  • Every1 s
  • Testing

Example reply from a 2017 Audi A3 e-tron.

Bits 0 to 7 of the reply, 8 bits.

0x25 = 37 → (37 ÷ 2.55) = 14.509804 %

Formula
(val ÷ 2.55)
Range
0 to 100 %
Unit
%

Confirmed for 2017. In testing for 2014 to 2016, 2018, 2020 to 2026.

  1. The parameter's name and its ID in the OBDb. Confirmed shows when a response from a real car confirms the parameter.
  2. The clutch mark shows a Connectable, a parameter that Pelican surfaces in its interface.
  3. The service and PID/DID asked for, the control module it's sent to, and how often Pelican asks.
  4. The reply's bytes. The parameter's bytes are blue. Bytes for other parameters in the same reply are grayed out. Hover over a byte to see the parameter it represents.
  5. Where the parameter is in the response, and how Pelican converts the raw value into a value.
  6. A real reply, decoded. The raw value comes first, then the reading.
  7. Which model years have tested this parameter.

Absolute pedal position, drive AUDI_APP_DConfirmed

  • Request22 F4 49
  • Service 22DID F449
  • Module746 → 7B0
  • Every1 s
  • Testing

Example reply from a 2017 Audi A3 e-tron.

Bits 0 to 7 of the reply, 8 bits.

0x25 = 37 → (37 ÷ 2.55) = 14.509804 %

Formula
(val ÷ 2.55)
Range
0 to 100 %
Unit
%

Confirmed for 2017. In testing for 2014 to 2016, 2018, 2020 to 2026.

Absolute throttle position TPSAE J1979Confirmed

Throttle position at idle will usually be more than 0%, and throttle position at wide open throttle will usually be less than 100%.

Pelican can show this parameter as the throttle position.

  • Request01 11
  • Service 01PID 11
  • Module7E0 → 7E8
  • Every250 ms

Bits 0 to 7 of the reply, 8 bits.

Formula
(val × 100 ÷ 255)
Range
0 to 100 %
Unit
%

Confirmed for 2017. Supported for 2018.

Accelerator pedal position AUDI_APP_PE

  • Request22 F4 49
  • Service 22DID F449
  • Module7E6
  • Every250 ms
  • Testing

Bits 0 to 7 of the reply, 8 bits.

Formula
(val ÷ 2.55)
Range
0 to 100 %
Unit
%

In testing for 2014 to 2018, 2020 to 2026.

Accelerator pedal position 1 AUDI_APP1

  • Request22 F4 49
  • Service 22DID F449
  • Module7E0 → 7E8
  • Every250 ms
  • Testing

Bits 0 to 7 of the reply, 8 bits.

Formula
(val ÷ 2.55)
Range
0 to 100 %
Unit
%

In testing for 2014 to 2018, 2020 to 2026.

Accelerator pedal position 2 AUDI_APP2

  • Request22 F4 4A
  • Service 22DID F44A
  • Module7E0 → 7E8
  • Every250 ms
  • Testing

Bits 0 to 7 of the reply, 8 bits.

Formula
(val ÷ 2.55)
Range
0 to 100 %
Unit
%

In testing for 2014 to 2018, 2020 to 2026.

Accelerator pedal release detection threshold voltage AUDI_APP_REDUCE_V

  • Request22 10 29
  • Service 22DID 1029
  • Module7E0 → 7E8
  • Every250 ms
  • Testing

Bits 0 to 15 of the reply, 16 bits.

Formula
(val ÷ 5)
Range
0 to 13107 mV
Unit
mV

In testing for 2014 to 2018, 2020 to 2026.

Air gab vacuum sensor AUDI_AIR_GAB_VACUUM_SNS

  • Request22 18 16
  • Service 22DID 1816
  • Module713 → 77D
  • Every2 s
  • Testing

Bits 56 to 71 of the reply, 16 bits. The value is signed.

Formula
val
Range
0 to 32767
Unit
Raw value

In testing for 2014 to 2018, 2020 to 2026.

Brake AUDI_BRAKE_PRESSED

  • Request22 08 05
  • Service 22DID 0805
  • Module7E1 → 7E9
  • Every250 ms
  • Testing

Bit 6 of the reply.

Formula
val
Range
0 to 1
Unit
Off or on

In testing for 2014 to 2016, 2020 to 2026. Not supported for 2017 to 2018.

Brake booster low pressure, actual AUDI_BRAKE_BOOSTER_LOW_P_ACT

  • Request22 14 90
  • Service 22DID 1490
  • Module7E0 → 7E8
  • Every250 ms
  • Testing

Bits 0 to 15 of the reply, 16 bits.

Formula
(val × 39063 ÷ 1000000)
Range
0 to 2559.9937
Unit
Raw value

In testing for 2014 to 2018, 2020 to 2026.

Brake booster pressure AUDI_BRAKE_BOOSTER_P

  • Request22 11 CF
  • Service 22DID 11CF
  • Module7E0 → 7E8
  • Every250 ms
  • Testing

Bits 0 to 15 of the reply, 16 bits.

Formula
(val × 19531 ÷ 500000)
Range
0 to 2559
Unit
Raw value

In testing for 2014 to 2016, 2018, 2020 to 2026. Not supported for 2017.

Brake booster pressure AUDI_BRAKE_BOOSTER_P_V2

  • Request22 20 05
  • Service 22DID 2005
  • ModuleFC00 → FE0076
  • Every1 s
  • Testing

Bits 0 to 15 of the reply, 16 bits.

Formula
(val ÷ 1000)
Range
0 to 65.535 bar
Unit
bar

In testing for 2014 to 2018, 2020 to 2026.

Brake booster pressure AUDI_BRAKE_BST_P

  • Request22 20 05
  • Service 22DID 2005
  • Module7E0 → 7E8
  • Every1 s
  • Testing

Bits 0 to 15 of the reply, 16 bits.

Formula
(val ÷ 1000)
Range
0 to 65.535 bar
Unit
bar

In testing for 2014 to 2016, 2020 to 2026. Not supported for 2017 to 2018.

Brake booster pressure AUDI_PQ35_BRAKE_BOOSTER_P

  • Request22 20 05
  • Service 22DID 2005
  • Module7E0 → 7E8
  • Every1 s
  • Testing

Bits 0 to 15 of the reply, 16 bits.

Formula
(val × 0.08291753)
Range
0 to 5434
Unit
Raw value

In testing for 2014 to 2016, 2020 to 2026. Not supported for 2017 to 2018.

Brake booster raw pressure AUDI_BRAKE_BOOSTER_RAW_P

  • Request22 11 D1
  • Service 22DID 11D1
  • Module7E0 → 7E8
  • Every250 ms
  • Testing

Bits 0 to 15 of the reply, 16 bits.

Formula
val
Range
0 to 65535
Unit
Raw value

In testing for 2014 to 2018, 2020 to 2026.

Brake booster, actual vacuum AUDI_BRAKE_BOOSTER_ACT

  • Request22 14 90
  • Service 22DID 1490
  • Module7E0 → 7E8
  • Every250 ms
  • Testing

Bits 0 to 15 of the reply, 16 bits. The value is signed.

Formula
(val ÷ 25)
Range
-1310 to 1310
Unit
Raw value

In testing for 2014 to 2018, 2020 to 2026.

Brake disk drying AUDI_BDD_ACTIVE

  • Request22 18 0E
  • Service 22DID 180E
  • Module713 → 77D
  • Every2 s
  • Testing

Bit 1 of the reply.

Formula
val
Range
0 to 1
Unit
Off or on

In testing for 2014 to 2018, 2020 to 2026.

Brake disk drying, odometer at last activation AUDI_BDD_ODO

  • Request22 18 0E
  • Service 22DID 180E
  • Module713 → 77D
  • Every2 s
  • Testing

Bits 8 to 31 of the reply, 24 bits.

Formula
val
Range
0 to 200000 km
Unit
km

In testing for 2014 to 2018, 2020 to 2026.

Brake pedal position AUDI_BRAKE_PEDAL_POS

  • Request22 10 5D
  • Service 22DID 105D
  • Module7E0 → 7E8
  • Every250 ms
  • Testing

Bits 0 to 15 of the reply, 16 bits.

Formula
(val × 12207 ÷ 1000000)
Range
0 to 799 %
Unit
%

In testing for 2014 to 2018, 2020 to 2026.

Brake pressure AUDI_BRAKE_P

  • Request22 10 5C
  • Service 22DID 105C
  • Module7E0 → 7E8
  • Every1 s
  • Testing

Bits 0 to 15 of the reply, 16 bits.

Formula
(val ÷ 10)
Range
0 to 6553.5 bar
Unit
bar

In testing for 2014 to 2018, 2020 to 2026.

Brake pressure AUDI_BRAKE_P_7E0

  • Request22 18 D0
  • Service 22DID 18D0
  • Module7E0 → 7E8
  • Every250 ms
  • Testing

Bits 0 to 15 of the reply, 16 bits. The value is signed.

Formula
(val ÷ 100)
Range
-327 to 327
Unit
Raw value

In testing for 2014 to 2018, 2020 to 2026.

Brake pressure AUDI_BRAKE_P_7E0_V2

  • Request22 19 5D
  • Service 22DID 195D
  • Module7E0 → 7E8
  • Every250 ms
  • Testing

Bits 0 to 15 of the reply, 16 bits. The value is signed.

Formula
(val ÷ 100)
Range
-327 to 327
Unit
Raw value

In testing for 2014 to 2018, 2020 to 2026.

Brake pressure AUDI_BRAKE_P_V2

  • Request22 2B 21
  • Service 22DID 2B21
  • Module713 → 77D
  • Every1 s
  • Testing

Bits 0 to 15 of the reply, 16 bits. The value is signed.

Formula
(val × 152999 ÷ 10000000 − 42.503)
Range
-543.8501 to 458.8288 bar
Unit
bar

In testing for 2014 to 2018, 2020 to 2026.

Brake pressure AUDI_BRAKE_PRES

  • Request22 10 5C
  • Service 22DID 105C
  • ModuleFC00 → FE0076
  • Every250 ms
  • Testing

Bits 0 to 15 of the reply, 16 bits. The value is signed.

Formula
(val × 100 ÷ 10000)
Range
-327.68 to 327.67
Unit
Raw value

In testing for 2014 to 2018, 2020 to 2026.

Brake pressure AUDI_MQB_TCM_BRAKE_PConfirmed

  • Request22 38 03
  • Service 22DID 3803
  • Module7E1 → 7E9
  • Every250 ms
  • Testing

Example reply from a 2017 Audi A3 e-tron.

Bits 0 to 15 of the reply, 16 bits. The value is signed. The bytes are in little-endian order.

0x0000 = 0 → (0 ÷ 100) = 0 bar

Formula
(val ÷ 100)
Range
-327.68 to 327.67 bar
Unit
bar

Confirmed for 2017. In testing for 2014 to 2016, 2018, 2020 to 2026.

Brake pressure AUDI_PQ35_BRAKE_P

  • Request22 18 D0
  • Service 22DID 18D0
  • Module7E0 → 7E8
  • Every250 ms
  • Testing

Bits 0 to 15 of the reply, 16 bits. The value is signed.

Formula
(val ÷ 100)
Range
-327.68 to 327.67
Unit
Raw value

In testing for 2014 to 2016, 2018, 2020 to 2026. Not supported for 2017.

Brake pressure reading valid? AUDI_BRAKE_PRESSED_VALID

  • Request22 08 05
  • Service 22DID 0805
  • Module7E1 → 7E9
  • Every250 ms
  • Testing

Bit 5 of the reply.

Formula
val
Range
0 to 1
Unit
No or yes

In testing for 2014 to 2016, 2020 to 2026. Not supported for 2017 to 2018.

Brake pressure sensor AUDI_BRAKE_P_SNS

  • Request22 18 16
  • Service 22DID 1816
  • Module713 → 77D
  • Every2 s
  • Testing

Bits 8 to 23 of the reply, 16 bits. The value is signed.

Formula
(val ÷ 100)
Range
0 to 327.67 bar
Unit
bar

In testing for 2014 to 2018, 2020 to 2026.

Brake system vacuum pump active AUDI_BRAKE_SYSTEM_VACUUM

  • Request22 39 5E
  • Service 22DID 395E
  • Module7E0 → 7E8
  • Every250 ms
  • Testing

Bits 0 to 7 of the reply, 8 bits.

Formula
val
Range
0 to 255
Unit
Number

In testing for 2014 to 2018, 2020 to 2026.

Brake vacuum pump AUDI_ENG_BRAKE_PUMP

  • Request22 39 5E
  • Service 22DID 395E
  • Module7E0 → 7E8
  • Every250 ms
  • Testing

Bit 7 of the reply.

Formula
val
Range
0 to 1
Unit
Off or on

In testing for 2014 to 2016, 2018, 2020 to 2026. Not supported for 2017.

Downshift point adaptation voltage AUDI_DOWNSHIFT_ADAPT_V

  • Request22 10 28
  • Service 22DID 1028
  • Module7E0 → 7E8
  • Every1 s
  • Testing

Bits 0 to 15 of the reply, 16 bits.

Formula
(val ÷ 5)
Range
0 to 13107 mV
Unit
mV

In testing for 2014 to 2018, 2020 to 2026.

Electronic differential lock: active AUDI_EDL_ACTIVE

  • Request22 18 0C
  • Service 22DID 180C
  • Module713 → 77D
  • Every1 s
  • Testing

Bit 1 of the reply.

Formula
val
Range
0 to 1
Unit
Off or on

In testing for 2014 to 2018, 2020 to 2026.

Electronic differential lock: front left brake temperature AUDI_EDL_FR_L_BRAKE_TConfirmed

  • Request22 18 0C
  • Service 22DID 180C
  • Module713 → 77D
  • Every1 s
  • Testing

Example reply from a 2017 Audi A3 e-tron.

Bits 8 to 23 of the reply, 16 bits. The value is signed.

0x0000 = 0 → (0 ÷ 2) = 0 °C

Formula
(val ÷ 2)
Range
-20 to 300 °C
Unit
°C

Confirmed for 2017. In testing for 2014 to 2016, 2018, 2020 to 2026.

Electronic differential lock: front right brake temperature AUDI_EDL_FR_R_BRAKE_TConfirmed

  • Request22 18 0C
  • Service 22DID 180C
  • Module713 → 77D
  • Every1 s
  • Testing

Example reply from a 2017 Audi A3 e-tron.

Bits 24 to 39 of the reply, 16 bits. The value is signed.

0x0000 = 0 → (0 ÷ 2) = 0 °C

Formula
(val ÷ 2)
Range
-20 to 300 °C
Unit
°C

Confirmed for 2017. In testing for 2014 to 2016, 2018, 2020 to 2026.

Electronic differential lock: rear left brake temperature AUDI_EDL_RR_L_BRAKE_TConfirmed

  • Request22 18 0C
  • Service 22DID 180C
  • Module713 → 77D
  • Every1 s
  • Testing

Example reply from a 2017 Audi A3 e-tron.

Bits 40 to 55 of the reply, 16 bits. The value is signed.

0x0000 = 0 → (0 ÷ 2) = 0 °C

Formula
(val ÷ 2)
Range
-20 to 300 °C
Unit
°C

Confirmed for 2017. In testing for 2014 to 2016, 2018, 2020 to 2026.

Electronic differential lock: rear right brake temperature AUDI_EDL_RR_R_BRAKE_TConfirmed

  • Request22 18 0C
  • Service 22DID 180C
  • Module713 → 77D
  • Every1 s
  • Testing

Example reply from a 2017 Audi A3 e-tron.

Bits 56 to 71 of the reply, 16 bits. The value is signed.

0x0000 = 0 → (0 ÷ 2) = 0 °C

Formula
(val ÷ 2)
Range
-20 to 300 °C
Unit
°C

Confirmed for 2017. In testing for 2014 to 2016, 2018, 2020 to 2026.

Hydraulic brake booster: active AUDI_HYD_BRAKE_BOOST_ACTIVE

  • Request22 18 10
  • Service 22DID 1810
  • Module713 → 77D
  • Every2 s
  • Testing

Bit 6 of the reply.

Formula
val
Range
0 to 1
Unit
Off or on

In testing for 2014 to 2018, 2020 to 2026.

Parking brake, air gap - left AUDI_PARKING_BRAKE_AIR

  • Request22 00 05
  • Service 22DID 0005
  • Module752 → 7BC
  • Every250 ms
  • Testing

Bits 0 to 15 of the reply, 16 bits.

Formula
(val ÷ 1000)
Range
0 to 65.53 mm
Unit
mm

In testing for 2014 to 2018, 2020 to 2026.

Parking brake, air gap - right AUDI_PARKING_BRAKE_AIR_GAP

  • Request22 00 05
  • Service 22DID 0005
  • Module752 → 7BC
  • Every250 ms
  • Testing

Bits 16 to 31 of the reply, 16 bits.

Formula
(val ÷ 1000)
Range
0 to 65.53 mm
Unit
mm

In testing for 2014 to 2018, 2020 to 2026.

Pressure in brake servo unit AUDI_P_BRAKE_SERVO_UNIT

  • Request22 20 05
  • Service 22DID 2005
  • Module713 → 77D
  • Every1 s
  • Testing

Bits 0 to 15 of the reply, 16 bits. The value is signed.

Formula
(val ÷ 16)
Range
-2048 to 2047.9375
Unit
Raw value

In testing for 2014 to 2018, 2020 to 2026.

Requested brake torque, auxiliary system AUDI_REQ_BRAKE_TQ

  • Request22 16 10
  • Service 22DID 1610
  • Module7E0 → 7E8
  • Every250 ms
  • Testing

Bits 0 to 31 of the reply, 32 bits. The value is signed.

Formula
(val ÷ 10)
Range
-214748364 to 214748364 N·m
Unit
N·m

In testing for 2014 to 2018, 2020 to 2026.

Steering wheel angle AUDI_STEER_ANGLE

Positive is rotated to the left, negative is rotated to the right.

  • Request22 2B 29
  • Service 22DID 2B29
  • Module713 → 77D
  • Every100 ms
  • Testing

Bits 0 to 15 of the reply, 16 bits. The value is signed.

Formula
(val ÷ 1000)
Range
-32.768 to 32.767 rad
Unit
rad

In testing for 2014 to 2016, 2020 to 2026. Not supported for 2017 to 2018.

Steering wheel angle AUDI_STEER_ANGLE_V2

  • Request22 03 46
  • Service 22DID 0346
  • ModuleFC00 → FE0076
  • Every250 ms
  • Testing

Bits 0 to 15 of the reply, 16 bits.

Formula
(val ÷ 10)
Range
0 to 6553.5 °
Unit
°

In testing for 2014 to 2016, 2018, 2020 to 2026. Not supported for 2017.

Control › Pedals

Accelerator pedal position sensor 1 AUDI_APP_POS1

  • Request22 20 61
  • Service 22DID 2061
  • Module7E0 → 7E8
  • Every250 ms
  • Testing

Bits 0 to 15 of the reply, 16 bits.

Formula
(val ÷ 1000)
Range
0 to 65 V
Unit
V

In testing for 2014 to 2016, 2020 to 2026. Not supported for 2017 to 2018.

Accelerator pedal position sensor 2 AUDI_APP_POS2

  • Request22 20 62
  • Service 22DID 2062
  • Module7E0 → 7E8
  • Every250 ms
  • Testing

Bits 0 to 15 of the reply, 16 bits.

Formula
(val ÷ 1000)
Range
0 to 65 V
Unit
V

In testing for 2014 to 2016, 2020 to 2026. Not supported for 2017 to 2018.

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