P0038
HO2S Heater Control Circuit High Bank 1 Sensor 2
1995-1999 BMW 318ti E36 1.9L I4 🇨🇦
Low SeverityPowertrain
Description
The voltage in the Bank 1 Sensor 2 O2 heater circuit is higher than expected.
Symptoms
- Check Engine Light
- Possible overheating
Common Causes
- Short to power
- Faulty sensor
- Relay issue
Diagnostic Steps
- Test heater voltage
- Check for shorts to power
- Test resistance
Repair Notes
Repair short or replace 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
P0038 on Other Vehicles
Common Questions
What does code P0038 mean on a 1995-1999 BMW 318ti E36?
P0038 stands for "HO2S Heater Control Circuit High Bank 1 Sensor 2". The voltage in the Bank 1 Sensor 2 O2 heater circuit is higher than expected.
What are the symptoms of P0038 on a BMW 318ti E36?
Common symptoms of P0038 include: Check Engine Light, Possible overheating.
What causes P0038 on a 1995-1999 BMW 318ti E36?
Common causes of P0038 include: Short to power, Faulty sensor, Relay issue.