Engine-Codes - Chrysler - P1477 CHRYSLER

P1477 CHRYSLER - Too Much Secondary Air Injected

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

P1477 CHRYSLER Possible Causes

  • Blockage in system
  • Defective Oxygen Sensor

How is the P1477 CHRYSLER 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 P1477 CHRYSLER code

Labor: 1.0

The cost to diagnose the P1477 CHRYSLER 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.

When is the code detected?

The Powertrain Control Module (PCM) detected too little injected air during the secondary air injection monitor test

Possible Symptoms

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

P1477 CHRYSLER Meaning

With the engine warm-up completed, engine running in closed loop, the Powertrain Control Module (PCM) detects that too much secondary air was injected during the test period. Check for loose, broken or miss-routed vacuum hoses. Refer to Monitor Test, code repair chart to test this code.

More Information

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