Network
generic / SAE
U066A
Lost Communication With EGR Sensor E
The vehicle bus reports loss of communication with smart EGR sensor E (position or flow). EGR closed-loop control loses its actual feedback.
SystemNetwork
Typegeneric / SAE
GroupU0
Range / number6 / 6A
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: 120–1000 €
- Estimated time: 0.5–3 h
- Component: egr sensor e
- Component: vehicle bus wiring
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012