P0135
O2 Sensor Heater Circuit Bank 1 Sensor 1
2007-2014 Land Rover LR2 3.2L I6
Low SeverityPowertrainGeneric (SAE)
Description
The PCM detected a malfunction in the heater element of the upstream O2 sensor on Bank 1.
Symptoms
- Check Engine Light
- Extended warmup emissions
- Failed emissions test
Common Causes
- Faulty O2 sensor heater element
- Blown fuse
- Wiring damage
- PCM heater driver failure
Diagnostic Steps
- Check O2 heater fuse
- Test heater resistance (typically 2-30 ohms)
- Inspect wiring
- Check PCM heater relay output
Repair Notes
Replace O2 sensor if heater resistance is open or out of spec.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0135 on Other Vehicles
Land Rover Defender 110
2020-2024 3.0L I6 Mild Hybrid
Land Rover Defender 90
2020-2024 3.0L I6 Mild Hybrid
Land Rover Defender V8
2022-2024 5.0L V8 Supercharged
Land Rover Discovery
1994-2004 4.0L V8
Land Rover Discovery
2017-2024 3.0L V6 Supercharged
Land Rover Discovery Sport
2015-2024 2.0L I4 Turbo
Land Rover Freelander
1997-2006 2.5L V6
Land Rover LR3
2005-2009 4.4L V8
Common Questions
What does code P0135 mean on a 2007-2014 Land Rover LR2?
P0135 stands for "O2 Sensor Heater Circuit Bank 1 Sensor 1". The PCM detected a malfunction in the heater element of the upstream O2 sensor on Bank 1.
What are the symptoms of P0135 on a Land Rover LR2?
Common symptoms of P0135 include: Check Engine Light, Extended warmup emissions, Failed emissions test.
What causes P0135 on a 2007-2014 Land Rover LR2?
Common causes of P0135 include: Faulty O2 sensor heater element, Blown fuse, Wiring damage, PCM heater driver failure.