P1778Gearbox computer: no data from the body computer (BCM) (CAN)
- Suzuki code · Transmission
- How the car detects it
- The automatic gearbox computer isn't receiving messages from the body computer (BCM) over the CAN network.
- Likely causes
- LikelyCAN wiring to the body computer (BCM)
- RareThe body computer (BCM)
- Sources
Backed by at least two independent sources.
From Obdaryn's Suzuki pack, exactly as the app shows it, with the public sources above. Guidance only; confirm with a workshop.