P1100moderate severityPowertrain
BARO Sensor Circuit
on 2002 Lexus LS 430 4.3L V8 · RWD
What this code means
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 on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1