Chrysler DTC P1476 – Too Little Secondary Air
DTC P1476 meaning on Chrysler
DTC P1476 on a Chrysler indicates a fault related to “Too Little Secondary Air.” This diagnostic trouble code is specific to the secondary air injection system, which is responsible for reducing emissions by introducing fresh air into the exhaust system to help burn off any remaining fuel.
Chrysler DTC P1476 symptoms
Symptoms of DTC P1476 on a Chrysler may include:
- Check Engine Light illuminated
- Decreased engine performance
- Inefficient fuel consumption
Chrysler DTC P1476 causes
Common causes of DTC P1476 on a Chrysler include:
- Faulty secondary air injection pump
- Blocked or restricted secondary air injection system
- Wiring or connector issues in the secondary air system
Chrysler DTC P1476 seriousness
While DTC P1476 may not cause immediate drivability issues, it is important to address this fault promptly to ensure optimal engine performance and emissions compliance.
How to diagnose DTC P1476 on Chrysler
To diagnose DTC P1476 on a Chrysler, a mechanic may perform the following steps:
- Use a scan tool to retrieve the fault code and freeze frame data
- Inspect the secondary air injection system components for damage or blockages
- Check the wiring and connectors for any signs of wear or corrosion
How to fix DTC P1476 on Chrysler
To fix DTC P1476 on a Chrysler, the following steps may be taken:
- Replace the faulty secondary air injection pump if necessary
- Clean or replace any blocked or restricted components in the secondary air system
- Repair or replace damaged wiring or connectors in the system
How to erase DTC P1476 on Chrysler
To erase DTC P1476 on a Chrysler, a scan tool can be used to clear the fault code after the underlying issue has been addressed and repaired. This will reset the Check Engine Light and allow for monitoring of the system for any recurring faults.
Recommended tools for Chrysler diagnostics
Explore our expert picks: The Best OBD2 Scanners for 2025
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.