Engine-Codes - Gmc - P1405 GMC

P1405 GMC - Exhaust Gas Recirculation System Valve 3

Repair Importance Level: 2/3
Repair Difficulty Level: 2/3  What is this?
Table of contents

P1405 GMC Possible Causes

  • Faulty EGR Solenoid Valve
  • EGR Solenoid Valve harness is open or shorted
  • EGR Solenoid Valve circuit poor electrical connection

How is the P1405 GMC code repair?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

What is the cost to diagnose the P1405 GMC code

Labor: 1.0

The cost to diagnose the P1405 GMC code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1405 GMC Meaning

With the Engine Coolant Temperature (ECT) over 183°F, gear selector in 1st or 2nd gear, vehicle in coast-down mode, HO2S-11 signal over 566 mv, VSS over 20 mph, A/C Clutch on, engine speed at 1000-1488 rpm, then the Powertrain Control Module (PCM) detected that engine rpm did not drop 4 out of 5 times in the test

More Information

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