how can I fix a P0135 code in my Tesla Outback 5th Generation (2015-2019)

• •Check engine light illuminated
• •Poor fuel economy
• •Rough idle or engine stalling
• •Increased emissions
• •Failure to pass emissions test

1. 1Scan the vehicle using an OBD-II scanner to confirm the P0135 code and check for any related codes.
2. 2Inspect the wiring and connectors for the upstream oxygen sensor for signs of damage, corrosion, or loose connections.
3. 3Measure the resistance of the oxygen sensor heater circuit using a multimeter to ensure it falls within the manufacturer’s specifications.
4. 4Check the fuse for the oxygen sensor heater circuit to verify it's not blown.
5. 5Test the supply voltage to the oxygen sensor heater circuit while the engine is running to ensure proper operation.
6. 6Perform a visual inspection of the exhaust system for leaks that might affect sensor readings.

After completing the repair, verify that the issue has been resolved:

• ✓Test the affected component to ensure it functions correctly
• ✓Check for any error codes or warning lights
• ✓Monitor the vehicle for a few days to ensure the issue does not recur

To prevent this issue from occurring again:

• •Follow the manufacturer's recommended maintenance schedule
• •Address warning signs early before they develop into major issues
• •Use quality parts and fluids recommended for your vehicle
• •Keep detailed records of all repairs and maintenance

• •OBD-II scanner
• •Multimeter
• •Oxygen sensor socket
• •Ratchet and socket set
• •Torque wrench

• •New upstream oxygen sensor
• •Anti-seize compound