C1612CAN timeout: no messages from the transmission computer (TCM)

• Hyundai/Kia code · ABS / stability control
• Lights a warning lamp

How the car detects it

The ABS/ESC unit stopped receiving data from the transmission computer (TCM) over the CAN network. Usually a wiring, connector or power problem at either module rather than a faulty ABS unit.

What you may notice

• ABS/ESC warning light
• Other warning lights at the same time

Likely causes

• LikelyCAN wiring or connector pins
• PossiblePower or ground of the transmission computer (TCM)
• RareFaulty module

Sources

• youcanic.com › hyundai-fault-code-dtc
• carmanualshub.com › kia-diagnostic-trouble-codes
• static.nhtsa.gov › MC-10179244-0001.pdf · official document

Backed by at least two independent sources.

From Obdaryn's Hyundai/Kia pack, exactly as the app shows it, with the public sources above. Guidance only; confirm with a workshop.