P1100
BARO Sensor Circuit
2001-2005 Lexus GS 430 4.3L V8 🇩🇪
Moderate SeverityPowertrain
Description
The BARO sensor circuit is reporting an abnormal signal to the ECM for atmospheric pressure measurement.
Symptoms
- CEL
- Poor fuel economy
- Rough idle
- Hesitation
Common Causes
- Faulty BARO sensor
- Open/short in circuit
- Poor connection
- Faulty ECM
Diagnostic Steps
- Read freeze frame data
- Test BARO sensor output
- Inspect wiring
- Check ECM
Repair Notes
Replace BARO sensor or repair wiring.
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
P1100 on Other Vehicles
Common Questions
What does code P1100 mean on a 2001-2005 Lexus GS 430?
P1100 stands for "BARO Sensor Circuit". The BARO sensor circuit is reporting an abnormal signal to the ECM for atmospheric pressure measurement.
What are the symptoms of P1100 on a Lexus GS 430?
Common symptoms of P1100 include: CEL, Poor fuel economy, Rough idle, Hesitation.
What causes P1100 on a 2001-2005 Lexus GS 430?
Common causes of P1100 include: Faulty BARO sensor, Open/short in circuit, Poor connection, Faulty ECM.