P1406 OBD Trouble Code

7 results found

P1406 - Acura
Type Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description

Exhaust gas recirculation (EGR) valve position sensor - circuit problem

Cause

Wiring, EGR valve/position sensor, ECM

P1406 - Ford
Type Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description

DPF EGR Sensor Downstream Hose Off or Plugged Conditions

Cause

Engine running, then the PCM detected a sensor signal that indicated EGR flow continued even with the EGR valve commanded closed.

P1406 - GM
Type Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description

EGR Valve Pintle Position Circuit Conditions

Cause

Engine at idle, then PCM detected these conditions in these tests • Test 1 The EGR sensor input was 0.18v or less • Test 2: The EGR sensor input was 2.06v or higher • Test 3 The maximum change in Desired EGR was less than 0.10v with a signal error over 0.20v for 1 second, or the Desired EGR was 0v with an EGR signal of 0.40v or more, conditions met twice in 10 seconds

P1406 - Honda
Type Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description

Exhaust gas recirculation (EGR) valve position sensor - circuit problem

Cause

Wiring, EGR valve/position sensor, ECM

P1406 - Isuzu
Type Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description

Exhaust gas recirculation (EGR) system - circuit problem

Cause

Wiring, EGR valve/solenoid/position sensor, mechanical fault, ECM

P1406 - Mazda
Type Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description

Differential pressure feedback sensor - downstream hose off or plugged

Cause

Mechanical fault

P1406 - Toyota
Type Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description

Turbocharger (TC) pressure sensor - range/ performance problem

Cause

TC pressure sensor

Try also: https://www.obd-codes.com/p1406