Clock parameters
The Volkswagen Jetta GLI has 2 clock parameters.
● Confirmed◆ In testing○ Supported× Not supported
Time since engine start RUNTMSAE J1979Confirmed
Increments while the engine is running. Freezes if the engine stalls. Resets to zero during every control module power-up and when entering the key-on, engine off position. Limited to 65,535 seconds and will not wrap around to zero.
- Request
01 1F - Service 01
PID 1F - Module
7E0 → 7E8 - Every
1 s
Bits 0 to 15 of the reply, 16 bits.
- Formula
val- Range
- 0 to 65535 s
- Unit
- s
Confirmed for 2025. Supported for 2012, 2019, 2021, 2024, 2026.
Time since engine start VOLKSWAGEN_RUNTMConfirmed
How long it's been since the engine started.
- Request
22 F4 1F - Service 22
DID F41F - Module
7E0 → 7E8 - Every
1 s - Testing
Example reply from a 2026 Volkswagen Jetta GLI.
Bits 0 to 15 of the reply, 16 bits.
0x00F0 = 240 → 240 s
- Formula
val- Range
- 0 to 65535 s
- Unit
- s
Confirmed for 2021, 2024 to 2026. In testing for 1988 to 2011, 2013 to 2020, 2022 to 2023. Not supported for 2012.