HUMMER — trouble codes

P1405 HUMMER

Exhaust Gas Recirculation System Valve 3

P — Powertrain P14 HUMMER

P1406 HUMMER

EGR Valve Pintle Position Circuit

P — Powertrain P14 HUMMER

P1407 HUMMER

EGR Air Intrusion in Exhaust Supply to EGR Valve

P — Powertrain P14 HUMMER

P1408 HUMMER

Intake Manifold Pressure Sensor Circuit

P — Powertrain P14 HUMMER

P1409 HUMMER

EGR Vacuum System Leak

P — Powertrain P14 HUMMER

P1410 HUMMER

Fuel Tank Pressure System

P — Powertrain P14 HUMMER

P1415 HUMMER

Secondary Air Injection (AIR) System Bank 1

P — Powertrain P14 HUMMER

P1416 HUMMER

Secondary Air Injection (AIR) System Bank 2

P — Powertrain P14 HUMMER

P1418 HUMMER

Secondary Air Injection System Relay A Control Circuit High

P — Powertrain P14 HUMMER

P1420 HUMMER

Intake Air Low Pressure Switch Circuit Low Voltage

P — Powertrain P14 HUMMER

P1421 HUMMER

Intake Air Low Pressure Switch Circuit High Voltage

P — Powertrain P14 HUMMER

P1423 HUMMER

Intake Air High Pressure Switch Circuit High Voltage

P — Powertrain P14 HUMMER

P1431 HUMMER

Fuel Level Sensor 2 Circuit Performance

P — Powertrain P14 HUMMER

P1432 HUMMER

Fuel Level Sensor 2 Circuit Low Voltage

P — Powertrain P14 HUMMER

P1433 HUMMER

Fuel Level Sensor 2 Circuit High Voltage

P — Powertrain P14 HUMMER

P1441 HUMMER

Evaporative Emission (EVAP) System Flow During Non-Purge

P — Powertrain P14 HUMMER

P1442 HUMMER

EVAP Vacuum Sw. High Voltage During Ign. On

P — Powertrain P14 HUMMER

P1450 HUMMER

Barometric Pressure Sensor Circuit

P — Powertrain P14 HUMMER

P1451 HUMMER

Barometric Press. Sensor Performance

P — Powertrain P14 HUMMER

P1460 HUMMER

Cooling Fan Control System

P — Powertrain P14 HUMMER

P1480 HUMMER

Cooling Fan 1 Control Circuit High

P — Powertrain P14 HUMMER

P1481 HUMMER

Cooling Fan Speed Sensor Circuit

P — Powertrain P14 HUMMER

P1482 HUMMER

Cooling Fan Speed Output Circuit

P — Powertrain P14 HUMMER

P1483 HUMMER

Engine Cooling System Performance

P — Powertrain P14 HUMMER