P2467 indicates the exhaust gas temperature (EGT) sensor 3 on Bank 2 (the bank opposite cylinder #1) is reading a value outside the expected range for the operating conditions. The PCM monitors EGT to protect engine components and control emissions systems like the diesel particulate filter (DPF) or catalytic converter.
The sensor itself has degraded, contaminated, or failed internally, producing an inaccurate temperature signal.
Corroded, broken, or melted wiring between the sensor and PCM, often from heat exposure or road debris.
Leaks before the sensor allow outside air to affect temperature readings, causing erratic signals.
Oil, coolant, or soot contamination on the sensor tip from engine wear or exhaust issues.
Restricted exhaust flow causes abnormal temperature gradients that the sensor may report as out of range.
The engine computer itself has failed or has a software issue affecting EGT sensor processing; this is the least likely cause.
Short distances are possible but not recommended. The EGT sensor protects critical components from overtemperature damage. Prolonged driving may risk exhaust component damage.
More common on diesel engines with DPF systems, where EGT monitoring is critical for regeneration. It can also occur on gasoline vehicles with catalytic converters.
Almost never. The PCM is rarely at fault for P2467. Technicians sometimes suggest it when diagnosis is rushed, but the sensor, wiring, or exhaust issues are the actual cause in nearly all cases.
Sensor replacement typically costs less than exhaust component repair. Exact costs vary by vehicle make and labor rates in your area.