P0135 on Your New 2024 Pathfinder
Your 2024 Nissan Pathfinder has triggered a P0135 diagnostic code, indicating a malfunction in the oxygen sensor heater circuit for Bank 1, Sensor 1. The 2024 Pathfinder features a 3.5L V6 engine (284 hp). On this V6, Bank 1 is the rear cylinder bank.
On a brand-new vehicle, P0135 typically indicates a manufacturing issue. Full warranty coverage ensures free repair.
Symptoms
- Check engine light on
- Possibly nothing unusual
- Minor fuel economy reduction
Causes
Manufacturing Defect
O2 sensor manufacturing variation causing early failure.
Assembly Issue
Connector or wiring problems during assembly.
Full Warranty Coverage
- Bumper-to-Bumper: 3yr/36k
- Powertrain: 5yr/60k
- Federal Emissions: 8yr/80k
Take your Pathfinder to any Nissan dealer for free repair.
What to Expect at the Dealer
- Code scan and testing
- TSB check
- O2 sensor replacement
- Verification
Expect 2-3 hours for the V6 sensor replacement.