P0069moderate severityPowertrain
MAP/BARO Correlation
on 2004 GMC Yukon 5.3L V8 Vortec · RWD
What this code means
The MAP sensor and barometric pressure readings do not match when expected.
Symptoms
- Check Engine Light
- Poor high-altitude performance
- Incorrect fueling
Common causes
- Faulty MAP sensor
- BARO sensor issue
- Vacuum leak
- Blocked MAP hose
Diagnostic steps
- Compare MAP and BARO readings at key-on engine-off
- Check MAP sensor hose
- Test MAP sensor
- Check for vacuum leaks
Repair notes
Replace MAP sensor or repair vacuum connection.
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