Code result

P2470

Exhaust Gas Temperature Sensor Circuit Intermittent Bank 1 Sensor 3

Moderate severity

What it means

The exhaust gas temperature sensor 3 on bank 1 (often after the DPF) shows intermittent dropouts. Erratic readings disturb DPF regeneration logic.

Is it safe to drive?

Use caution

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.

Most likely causes

  • Intermittent connector

    high

    One of the most commonly reported causes for this code — check this first.

  • Chafed wiring near hot exhaust

    medium

    A plausible cause — test and verify before replacing parts.

  • Harness routed against vibrating component

    low

    Less common, but worth ruling out after the more likely causes.

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