Symptom:
P1854-TIP BARO OUT OF RANGE
When Monitored and Set Condition:
P1854-TIP BARO OUT OF RANGE
When Monitored: With the ignition on and engine speed less than 250 rpm.
Set Condition: The PCM senses the voltage from the MAP sensor to be greater than 4.9
volts (2.4 volts for Turbo) or below 2.28 volts (1.2 volts for Turbo) for 400 milliseconds. Two
Trip Fault.
POSSIBLE CAUSES
CHECKING FOR OTHER DTCS
CHECKING THE HOSES AND TUBING
GOOD TRIP EQUAL TO ZERO
SOLENOID TEST #1
SOLENOID TEST #2
SOLENOID TEST #3
SOLENOID TEST #4
THROTTLE INLET PRESSURE SENSOR
(A23) TIP SIGNAL CIRCUIT OPEN
(K167) SENSOR GROUND CIRCUIT OPEN
TEST ACTION APPLICABILITY
1 Ignition on, engine not running.
With the DRBIIIt, read PCM DTCs and record the related Freeze Frame data.
Is the Good Trip displayed and equal to zero?
All
Yes → Go To 2
No → Refer to the INTERMITTENT CONDITION symptom in the
Driveability category.
Perform POWERTRAIN VERIFICATION TEST VER-5-NGC.
2 Turn the ignition on.
With the DRBIIIt, read the PCM DTCs.
NOTE: If there are any other MAP Sensor or Throttle Inlet Pressure Sensor
DTCs present, repair the other MAP Sensor or Throttle Inlet Pressure
Sensors before continuing.
Does the DRB display any other DTCs?
All
Yes → Refer to the symptom list and perform the appropriate diagnostic
procedure.
Perform POWERTRAIN VERIFICATION TEST VER-5-NGC.
No → Go To 3
266
DRIVEABILITY - NGC
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