garajizOBD-II code · manufacturer-specific
P1406
DPFE Circuit High Input
- System
- P1 — Powertrain (manufacturer-specific)
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does P1406 mean?
P1406 is defined as “DPFE Circuit High Input”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Manufacturer-specific meanings
The same code can mean something different on some makes.
- Mazda: DPFE Sensor Downstream Hose Off Or Plugged
- Ford, Lincoln, Mercury: Differential Pressure Feedback Electronic Sensor Circuit Downstream Hose
- Volkswagen: EGR Temperature Sensor Range Performance
- Buick, Cadillac, Chevrolet, Chrysler, GM, GMC, Oldsmobile, Plymouth, Pontiac, Saturn: EGR Valve Pintle Position Circuit
- Citroen, Diğer, Peugeot: Exhaust Gas Recirculation (EGR) Position Sensor Performance
- BMW: Heated Catalyst Internal Control Module Checksum ROM Error
- Toyota: Turbo Pressure Sensor Range Performance Problem
Related codes
Look up another code
This page is general information; an exact diagnosis needs measurements and a technician’s check.