What does p0101 code mean

'Year make model' needed in all questions.

ABS and MAF are the codes. You need a good auto-electrician.

U1002: Code Meaning, Causes, Symptoms, & Tech Notes

https://www.engine-codes.com > u1002
The Diagnostic Trouble Code (DTC) sets when the Anti-Lock Brake System (ABS) Actuator and Electric Unit (Control Unit) is not transmitting or receiving ...

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  U1002 NISSAN - Engine-Codes.com

  https://www.engine-codes.com > u1002_nissan
  'What is U1002 NISSAN code meaning? ... The Diagnostic Trouble Code (DTC) sets when the Anti-Lock Brake System (ABS) Actuator and Electric Unit (Control Unit) is ...

P0101 What Does Code P0101 Mean? P0101 definition: Mass Air Flow (MAF) Circuit/Performance Malfunction. Issue Severity: MODERATE - Extended driving with this code can cause internal engine damage. Repair Urgency: Get this code fixed as soon as possible to avoid internal engine failure.Feb 21, 2022

P0101 - Meaning, Causes, Symptoms, & Fixes - FIXD

C1130 NISSAN Code Engine Signal 1 - AutoCodes

https://www.autocodes.com > c1130_nissan
Aug 17, 2018 - The code means that the Anti-Lock Brake System (ABS) control unit has detected that there is a problem with the Engine Control Module (ECM). ' .

Code P0101 Meaning. The mass air flow (MAF) fault

P2188 (Fuel system too rich at idle) MAF FAULT

code p0101 refers to MAF sensor and VAF sensor--range /performance problems===causes --intake leakage/blockage ---MAF/VAF sensor failure.

code p0300 refers to random misfires multiple cylinders ---causes --spark plugs /HT leads --injector /s-- ignition coil/ s--low compression ---wiring

check fuel pressure in manifold and HT leads

code p0171 refers to system too lean bank 1 ===causes --intake /exhaust air leak---AIR system---MAF/VAF sensors ---fuel pressure /pump---injectors ---HO2S sensor

Basically there are two codes referring to the MAF/VAF sensors so check them out and two codes referring to fuel pressure and pump so have a pressure test done on the fuel manifold to determine if pump or pressure regulator.

Technical DescriptionMass Air Flow (MAF) Circuit Low Input
What does that mean?Basically this means that there is a problem with the Mass Air Flow (MAF) sensor or circuit. A more technical description would be that the MAF circuit had lower than expected voltage (air flow). Other MAF sensor circuit DTC trouble codes are P0100, P0101, P0103, and P0104.

SymptomsYou will likely not notice any serious drivability problems, although there may be symptoms such as a general decrease in power or sluggishness.
CausesA code P0102 may mean that one or more of the following has happened:

• The MAF may be disconnected, or a wiring connection may be bad
• The MAF may be dirty or otherwise contaminated (Note: if you use a reusable oiled air filter, be careful not to apply too much oil or that can contaminate the MAF).
• The MAF sensor may be faulty
• The vehicle computer may be faulty (very rare)

http://www.obd-codes.com/p0102

P0101 - Mass Air Flow (MAF) Sensor Performance

P1153 - Heated Oxygen Sensor (HO2S) Insufficient Switching Bank 2 Sensor 1

po101 is MAF sensor performance. po305 is cylinder 5 misfire.
Hope this helps.

P0101 - Mass Air Flow (MAF) Sensor Performance

P0171 - Fuel Trim System Lean Bank 1

P0174 - Fuel Trim System Lean Bank 2

Would start with the mass air flow sensor the other two codes may have been triggered by the performance of the MAF sensor. Is the vehicle running poorly or have high or low idle?

code P0101 it means that MAF meter is out of range .no reprogramming the ECM is not gone fix youre problem, the car may have a vacuum leak check the vacuum hoses check you're EGR valve it may be stuck open with carbon also check fuel pressure regulator for fuel leak out of vacuum hose,and if everything is OK change MAF sensor .before that check MAF connector to make sure is not loose or open

Hello mark...according to the manual for Volkswagen Engine and Transmission Codes...

P0101 Mass or volume air flow circuit performance problem

P3131 Exhaust Gas Recirculation (EGR) System Control Limit Exceeded

Dirt and carbon build up will cause this in some cases. You might try removing and cleaning the MAF sensor with an electrical contact cleaner first. You will still need to clear the error codes with VAG-COM and see if they return.

Good luck...i hope this helps.

The P0101 code is indeed a code indicating an issue with the MAF sensor. It could be something as simple as cleaning the sensor, or it could be faulty and in need of replacement.

Now, the P1870 code refers to the transmission, and a condition in which the PCM is detecting excessive slipping. That is to say it perceives the transmission slipping as it compares engine speed (RPM) and vehicle speed (MPH) and should a ratio be exceeded then the PCM will set code P1870. I would expect that you would notice a bit harsher shifting in response to this code, particularly on the 1-2 shift as the PCM will command higher fluid pressure to combat the slipping.

Now, it is possible that the an issue with the MAF would cause signals to the PCM to change significantly and to such an extent that the PCM would think something is off with the transmission, so I would start there, with the MAF sensor and see if that helps as it appears you were already thinking.