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HOMESERVICE MANUALSJEEP2023WAGONEER L BASE, RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 55 (3.0L - DTCS U0418-00 TO U11E9-00)DTC TROUBLESHOOTINGU060F-00-LOST COMMUNICATION WITH MASS AIR FLOW SENSORENABLING/SET CONDITIONS AND POSSIBLE CAUSES - MAF SENT SENSOR
2023 Jeep Wagoneer L Base, RWD

Enabling/Set Conditions And Possible Causes - MAF Sent Sensor

2023 Jeep Wagoneer L Base, RWDSECTION Enabling/Set Conditions And Possible Causes - MAF Sent Sensor
WARNING: This page is about a different car, the 2023 Jeep Grand Wagoneer L and 2023 Jeep Grand Wagoneer. However, it is still accessible from the selected car via links, so may be relevant.

MAF (SENT) SENSOR ENABLING CONDITIONS AND FAULT CRITERIA: 

DTCS MONITORING CONDITIONS FAULT SETTING CRITERIA POSSIBLE CAUSES
MAF Sensor supply circuit faults (P0100, P0110, P012A)  .
  1. Ignition on.
  2. Battery voltage above 10.9 volts.
 The PCM detects that the digital MAF sensor supply circuit voltage is out of range low/high.
  • Faulty MAF sensor.
MAF Sensor performance fault (P0101)  .
  1. With the engine running
  2. Battery voltage above 10.9 volts.
 The PCM detects the MAF sensor feedback is valid, there are no throttle feedback errors, and the vehicle runs rough.
  • Vacuum leak.
  • Air inlet system leak/plugged.
  • Engine mechanical issue.
  • Faulty MAF sensor.
MAF Sensor performance faults (P0111, P012B)  .
  • P0111 Intake Air Temperature performance.
  • P012B Turbocharger Inlet Pressure performance.
NOTE:

An 8 hour soak time is necessary before P0111 will reset. 
  1. Ignition on.
  2. Battery voltage above 10.9 volts.
 The PCM detects that the MAF sensor's internal intake air temperature feedback is out of range compared to other engine temperature sensors.
or
The PCM detects that the MAF sensor internal turbocharger inlet pressure feedback is out of range compared to other turbocharger pressure sensor values.
NOTE:

The PCM does not set individual low or high faults for the internal temperature or pressure sensors. 
  • Faulty MAF sensor.
MAF Sensor lost communication faults (U060F, U0611, & U068B)  .
  1. Ignition on.
  2. Battery voltage above 10.9 volts.
 The PCM detects that there is either no SENT communication signal (all 3 DTC's) or a single unexpected SENT communication signal response from the MAF sensor.
NOTE:

When a single communication DTC is set the possible cause is the MAF sensor. If all three communication DTCs are set together the following possible causes apply. 

  1. MAF sensor 5V supply circuit open or shorted to ground.
  2. MAF sensor signal circuit open or shorted to ground.
  3. MAF sensor ground circuit open.
  4. Faulty MAF sensor.
  5. Faulty PCM.
RENDER: 1.0x

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