Network
generic / SAE
U0286
Lost Communication With Radiator Anti-Tamper Device
The vehicle bus reports loss of communication with the radiator anti-tamper device. Detection of unauthorised changes to the cooling system can no longer be confirmed by this node.
SystemNetwork
Typegeneric / SAE
GroupU0
Range / number2 / 86
Possible causes
- Bus wiring open or shorted high
- Module without power or ground medium
- Module failed medium
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: medium
- DIY: shop recommended
- Estimated cost: 80–600 €
- Estimated time: 0.5–2 h
- Component: radiator anti tamper device
- Component: vehicle bus wiring
- MIL / check engine light
- drive cycle required
Sources
References
sae:J2012