P1406 OBD Trouble Code
7 results found
| Type | Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled |
|---|---|
| Description | Exhaust gas recirculation (EGR) valve position sensor - circuit problem |
| Cause | Wiring, EGR valve/position sensor, ECM |
| 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. |
| 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 |
| Type | Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled |
|---|---|
| Description | Exhaust gas recirculation (EGR) valve position sensor - circuit problem |
| Cause | Wiring, EGR valve/position sensor, ECM |
| 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 |
| Type | Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled |
|---|---|
| Description | Differential pressure feedback sensor - downstream hose off or plugged |
| Cause | Mechanical fault |
| 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
