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Audi A7

Light parameters

The Audi A7 has 6 light parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Brake light A7_BRAKE_LIGHT_ONConfirmed

  • 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 7 of the reply.

0b0 = 0 → 0

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.

Brake light A7_BRAKE_LIGHT_ONConfirmed

  • 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 7 of the reply.

0b0 = 0 → 0

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 light reading valid? A7_BRAKE_LIGHT_ON_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 4 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.

Light assistance, number of reflectors A7_LIGHT_ASSISTANCE_NUM

  • Request22 46 7C
  • Service 22DID 467C
  • Module74F → 7B9
  • Every1 s
  • Testing

Bits 16 to 23 of the reply, 8 bits.

Formula
val
Range
0 to 255
Unit
Number

In testing for 2019 to 2026.

Light assistance, number of street lamps A7_LIGHT_ASSISTANCE_NUM_STREET_LAMPS

  • Request22 46 7C
  • Service 22DID 467C
  • Module74F → 7B9
  • Every1 s
  • Testing

Bits 24 to 31 of the reply, 8 bits.

Formula
val
Range
0 to 255
Unit
Number

In testing for 2019 to 2026.

Light assistance, status active A7_LIGHT_ASSISTANCE

  • Request22 46 7C
  • Service 22DID 467C
  • Module74F → 7B9
  • Every1 s
  • Testing

Bits 0 to 7 of the reply, 8 bits.

Formula
val
Range
0 to 255
Unit
Number

In testing for 2019 to 2026.

Light assistance, total brightness A7_LIGHT_ASSISTANCE_TOT

  • Request22 46 7C
  • Service 22DID 467C
  • Module74F → 7B9
  • Every1 s
  • Testing

Bits 32 to 39 of the reply, 8 bits.

Formula
(val ÷ 10)
Range
0 to 25.5
Unit
Number

In testing for 2019 to 2026.

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