Network
generic / SAE
U0030
Powertrain Sensor Data Bus
A fault has been detected on the dedicated powertrain sensor data bus (a sub-bus used for high-speed sensor data such as crank, knock or wheel-speed). Symptoms range from rough running to limp-home, depending on which sensor stream is missing.
SystemNetwork
Typegeneric / SAE
GroupU0
Range / number– / 30
Possible causes
- Sensor data bus wiring damaged high
- Sensor module on bus failed medium
- Gateway module routing CAN messages incorrectly low
Symptoms
- Multiple warning lights may illuminate
- Affected modules may go into limp mode or shut down
- Specific functions inoperative depending on module
- Diagnostic tools may show communication faults
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 80–1500 €
- Estimated time: 1–6 h
- Component: sensor data bus
- Component: can bus wiring
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012