P0135 on Your 2022 Pathfinder
Your 2022 Nissan Pathfinder has set a P0135 diagnostic code, indicating a malfunction in the oxygen sensor heater circuit for Bank 1, Sensor 1. The completely redesigned 2022 Pathfinder features a 3.5L V6 engine (284 hp) with a new 9-speed automatic transmission. On this V6, Bank 1 is the rear cylinder bank.
At 2-3 years old, your Pathfinder may be experiencing early sensor issues.
Symptoms
- Check engine light on
- Slightly reduced fuel economy
- Minor rough cold idle
- Emissions test failure
Common Causes
O2 Sensor Heater Element Failure
Manufacturing variation or early wear can cause failure.
Connector or Wiring Issue
Heat exposure can affect connections.
Blown Fuse
Check the O2 heater fuse first.
Warranty Coverage
- Bumper-to-Bumper: 3yr/36k (may still apply)
- Powertrain: 5yr/60k
- Federal Emissions: 8yr/80k
Contact your Nissan dealer to verify coverage before paying for repairs.
Repair Costs (If Out of Warranty)
- Dealer: $200-$350
- Independent shop: $160-$300
- DIY: $60-$130
First-Year Redesign Notes
The 2022 Pathfinder was a complete redesign. Document warranty repairs in case patterns emerge that lead to extended coverage.