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Audi A7

Control parameters

The Audi A7 has 17 control parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Brake A7_BRAKE_PRESSEDConfirmed

  • Request22 08 05
  • Service 22DID 0805
  • Module7E1 → 7E9
  • Every250 ms
  • Testing for 2010, 2013 to 2015, 2017 to 2019, 2021 to 2026

Example reply from a 2020 Audi A7.

Bit 6 of the reply.

0b1 = 1 → 1

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2011 to 2012, 2016, 2020. In testing for 2010, 2013 to 2015, 2017 to 2019, 2021 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 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 2012, 2020. Supported for 2016, 2021.

Absolute throttle position B TP_BSAE J1979Confirmed

Pelican can show this parameter as the throttle position.

  • Request01 47
  • Service 01PID 47
  • Module7E0 → 7E8
  • Every250 ms

Bits 0 to 7 of the reply, 8 bits.

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

Confirmed for 2020. Supported for 2021.

Brake A7_BRAKE_PRESSEDConfirmed

  • Request22 08 05
  • Service 22DID 0805
  • Module7E1 → 7E9
  • Every250 ms
  • Testing for 2010, 2013 to 2015, 2017 to 2019, 2021 to 2026

Example reply from a 2020 Audi A7.

Bit 6 of the reply.

0b1 = 1 → 1

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2011 to 2012, 2016, 2020. In testing for 2010, 2013 to 2015, 2017 to 2019, 2021 to 2026.

Brake booster pressure A7_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 2019 to 2026.

Brake booster raw pressure A7_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 2019 to 2026.

Brake booster, actual vacuum A7_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 2019 to 2026.

Brake pedal position A7_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 2019 to 2026.

Brake pressure A7_BRAKE_P

  • 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 2010 to 2018.

Brake pressure reading valid? A7_BRAKE_PRESSED_VALIDConfirmed

  • Request22 08 05
  • Service 22DID 0805
  • Module7E1 → 7E9
  • Every250 ms
  • Testing for 2010, 2013 to 2015, 2017 to 2019, 2021 to 2026

Example reply from a 2020 Audi A7.

Bit 5 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
No or yes

Confirmed for 2011 to 2012, 2016, 2020. In testing for 2010, 2013 to 2015, 2017 to 2019, 2021 to 2026.

Parking brake, air gap - left A7_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 2010 to 2018.

Parking brake, air gap - right A7_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 2010 to 2018.

Pressure in brake servo unit A7_P_BRAKE_SERVO_UNIT

  • Request22 20 05
  • Service 22DID 2005
  • Module713 → 77D
  • Every250 ms
  • Testing

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

Formula
(val ÷ 16)
Range
-2048 to 2047
Unit
Raw value

In testing for 2019 to 2026.

Relative throttle position TP_RSAE J1979Confirmed

Relative or 'learned' throttle position.

  • Request01 45
  • Service 01PID 45
  • Module7E0 → 7E8
  • Every250 ms

Bits 0 to 7 of the reply, 8 bits.

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

Confirmed for 2020. Supported for 2012, 2016, 2021.

Requested brake torque, auxiliary system A7_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 2019 to 2026.

Steering wheel angle A7_STEER_ANGLEConfirmed

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

  • Request22 2B 29
  • Service 22DID 2B29
  • Module713 → 77D
  • Every100 ms
  • Testing for 2010 to 2020, 2022 to 2026

Example reply from a 2021 Audi A7.

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

0x0D49 = 3401 → (3401 ÷ 1000) = 3.401 rad

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

Confirmed for 2021. In testing for 2010, 2013 to 2015, 2017 to 2019, 2022 to 2026. Not supported for 2011 to 2012, 2016, 2020.

Control › Pedals

Accelerator pedal position D APP_DSAE J1979Confirmed

  • Request01 49
  • Service 01PID 49
  • Module7E0 → 7E8
  • Every250 ms

Bits 0 to 7 of the reply, 8 bits.

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

Confirmed for 2020. Supported for 2012, 2016, 2021.

Accelerator pedal position E APP_ESAE J1979Confirmed

  • Request01 4A
  • Service 01PID 4A
  • Module7E0 → 7E8
  • Every250 ms

Bits 0 to 7 of the reply, 8 bits.

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

Confirmed for 2020. Supported for 2012, 2016.

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