P0031
HO2S Heater Control Circuit Low Bank 1 Sensor 1
2000-2008 Jaguar S-Type 3.0L V6
Low SeverityPowertrainGeneric (SAE)
Description
The voltage in the Bank 1 Sensor 1 O2 heater circuit is lower than expected.
Symptoms
- Check Engine Light
- Extended warmup time
- Poor cold-start emissions
Common Causes
- Short to ground in heater circuit
- Faulty O2 sensor
- Corroded connector
Diagnostic Steps
- Test heater circuit voltage
- Check for shorts to ground
- Test sensor heater resistance
- Inspect connector
Repair Notes
Repair short or replace O2 sensor.
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
P0031 on Other Vehicles
Jaguar E-PACE
2018-2024 2.0L I4 Turbo
Jaguar F-PACE
2017-2024 2.0L I4 Turbo
Jaguar F-PACE
2017-2024 3.0L V6 Supercharged
Jaguar F-Type
2014-2024 3.0L V6 Supercharged
Jaguar F-Type R
2014-2024 5.0L V8 Supercharged
Jaguar X-Type
2002-2008 2.5L V6
Jaguar XE
2017-2024 2.0L I4 Turbo
Jaguar XF
2009-2024 3.0L V6 Supercharged
Common Questions
What does code P0031 mean on a 2000-2008 Jaguar S-Type?
P0031 stands for "HO2S Heater Control Circuit Low Bank 1 Sensor 1". The voltage in the Bank 1 Sensor 1 O2 heater circuit is lower than expected.
What are the symptoms of P0031 on a Jaguar S-Type?
Common symptoms of P0031 include: Check Engine Light, Extended warmup time, Poor cold-start emissions.
What causes P0031 on a 2000-2008 Jaguar S-Type?
Common causes of P0031 include: Short to ground in heater circuit, Faulty O2 sensor, Corroded connector.