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Chevrolet Volt

Transmission parameters

The Chevrolet Volt has 12 transmission parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Clutch slip, AT C1, ring VOLT_CLU_SLIP_C1_RING

  • Request22 28 51
  • Service 22DID 2851
  • Module7E2 → 7EA
  • Every1 s
  • Testing

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

Formula
(val ÷ 4)
Range
-8192 to 8191 rpm
Unit
rpm

In testing for 2011 to 2019, 2022.

  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.

Clutch slip, AT C1, ring VOLT_CLU_SLIP_C1_RING

  • Request22 28 51
  • Service 22DID 2851
  • Module7E2 → 7EA
  • Every1 s
  • Testing

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

Formula
(val ÷ 4)
Range
-8192 to 8191 rpm
Unit
rpm

In testing for 2011 to 2019, 2022.

Clutch slip, AT C3, ring VOLT_CLU_SLIP_C3_RING

  • Request22 19 D4
  • Service 22DID 19D4
  • Module7E2 → 7EA
  • Every1 s
  • Testing

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

Formula
(val ÷ 4)
Range
-8192 to 8191 rpm
Unit
rpm

In testing for 2011 to 2019, 2022.

Current gear VOLT_CURRENT_GEAR

  • Request22 1B 30
  • Service 22DID 1B30
  • Module7E2 → 7EA
  • Every250 ms
  • Testing

Bits 0 to 7 of the reply, 8 bits.

Formula
(val − 3)
Range
-3 to 252
Unit
Number

In testing for 2011 to 2019, 2022.

Current gear VOLT_CURRENT_GEAR_7E0

  • Request22 19 9A
  • Service 22DID 199A
  • 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 2011 to 2019, 2022.

Current gear, variant 2 VOLT_CURRENT_GEAR_VAR_2

  • Request22 19 9A
  • Service 22DID 199A
  • Module7E2 → 7EA
  • Every250 ms
  • Testing

Bits 0 to 7 of the reply, 8 bits.

Formula
val
Range
0 to 255
Unit
Number

In testing for 2011 to 2019, 2022.

Current gear, variant 3 VOLT_CURRENT_GEAR_VAR_3

  • Request22 32 01
  • Service 22DID 3201
  • 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 2011 to 2019, 2022.

Gear ratio VOLT_GEAR_RAT

  • Request22 19 A1
  • Service 22DID 19A1
  • Module7E4 → 7EC
  • Every250 ms
  • Testing

Bits 0 to 7 of the reply, 8 bits.

Formula
val
Range
0 to 255
Unit
Number

In testing for 2011 to 2019, 2022.

Gear, AT position VOLT_GEAR_POS

  • Request22 28 89
  • Service 22DID 2889
  • Module7E1 → 7E9
  • Every250 ms
  • Testing

Bits 0 to 7 of the reply, 8 bits.

Formula
val
Range
0 to 255
Unit
Number

In testing for 2011 to 2019, 2022.

Transmission fluid temperature, filtered VOLT_TF_T_FLTED

  • Request22 29 5A
  • Service 22DID 295A
  • Module7E2 → 7EA
  • Every5 s
  • Testing

Bits 0 to 7 of the reply, 8 bits.

Formula
(val − 40)
Range
-40 to 215 °C
Unit
°C

In testing for 2011 to 2019, 2022.

Transmission input shaft speed VOLT_TRANS_INPUT_SHFT_SPD

  • Request22 19 41
  • Service 22DID 1941
  • Module7E4 → 7EC
  • Every1 s
  • Testing

Bits 0 to 7 of the reply, 8 bits.

Formula
val
Range
0 to 255 rpm
Unit
rpm

In testing for 2011 to 2019, 2022.

Transmission input shaft speed, 2 VOLT_TRANS_ISS

  • Request22 19 41
  • Service 22DID 1941
  • Module7E2 → 7EA
  • Every1 s
  • Testing

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

Formula
(val ÷ 4)
Range
-8192 to 8191 rpm
Unit
rpm

In testing for 2011 to 2019, 2022.

Transmission pressure VOLT_TRANS_P

  • Request22 28 62
  • Service 22DID 2862
  • Module7E1 → 7E9
  • Every1 s
  • Testing

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

Formula
val
Range
-32768 to 32767
Unit
Number

In testing for 2011 to 2019, 2022.

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