Soot sensor T270 - Protection tube is clogged or the soot sensor is not installed properly
â–¶ How to fix
Check the causes above. If no malfunctions according to causes detected, replace the soot sensor T270.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
The changes in effective heater voltage are low when the change in exhaust gas velocities are great enough
Possible cause
Possible causes: 1. Protection tube is clogged or manipulated. 2. Soot sensor is removed from exhaust pipe. 3. The soot sensor is incorrectly installed. The angle with respect to the exhaust gas flow direction should be 85° ± 5°.