Table of Contents
If your Subaru vehicle is showing trouble codes P1135 and P1136, it indicates issues related to the air-fuel ratio sensors. Clearing these codes can help you reset the check engine light and diagnose ongoing problems.
Understanding Codes P1135 and P1136
Codes P1135 and P1136 are specific to Subaru vehicles and relate to the air-fuel ratio sensors, also known as O2 sensors. These codes typically point to sensor malfunction, wiring issues, or related system problems.
Tools Needed to Clear the Codes
- OBD2 scanner compatible with Subaru vehicles
- A fully charged vehicle battery
- Basic understanding of vehicle diagnostics
Steps to Clear the Codes
Follow these simple steps to clear the codes using an OBD2 scanner:
Step 1: Connect the Scanner
Locate the OBD2 port under the dashboard on the driver’s side. Plug your OBD2 scanner into this port securely.
Step 2: Turn on the Vehicle
Switch the ignition to the “On” position without starting the engine. This powers the scanner and vehicle’s ECU.
Step 3: Read the Codes
Use the scanner to read the stored trouble codes. Confirm that P1135 and P1136 are present.
Step 4: Clear the Codes
Navigate through the scanner menu to find the “Clear Codes” or “Erase Codes” option. Select it to reset the ECU.
After Clearing the Codes
Once the codes are cleared, start your vehicle and check if the check engine light turns off. Drive your car normally to see if the codes reappear, indicating an ongoing issue.
Important Tips
- Always fix underlying issues before clearing codes to prevent recurring problems.
- Use a quality scanner compatible with Subaru models for accurate readings.
- If codes reappear after clearing, consult a professional mechanic for detailed diagnosis.
Clearing OBD2 codes like P1135 and P1136 is a straightforward process with the right tools. Regular diagnostics can help maintain your Subaru’s performance and longevity.