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TuningBot DTC Database · v4.37.15

P101A Diagnostic Trouble Code (3 interpretations)

3 manufacturer-specific interpretations across 2 manufacturers in the TuningBot DTC database.

P · PowertrainEngineOBD2
Brand pages:BMWPSA

BMW

1 interpretation
P101A
WT overload protection - high input, bank 1 BMW · engine Data confidence 62%

The control module detected that the WT overload protection signal stayed above the expected range. This is the manufacturer-specific definition used by BMW.

Possible causes

  • Mechanical fault
  • servo motor short circuit
  • servo motor shorted to ground

PSA

2 interpretations
P101A
Fault in the programming of the variable valve lift system : Programming error PSA · engine Data confidence 72%

The control module detected an internal control-unit fault (Programming error). Documented for the Bosch MED 17.4.x engine ECU (EP6 THP family) on Peugeot applications; the same PSA control units are also fitted to Citroën models.

Applies to Peugeot Bosch MED 17.4.x engine ECU (EP6 THP family)
P101A
Fault in the programming of the variable valve lift system : Programming error PSA · engine Data confidence 72%

The control module detected an internal control-unit fault (Programming error). Documented for the Bosch MEV17.4 engine ECU (EP6 1.6 VTi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.

Applies to Peugeot Bosch MEV17.4 engine ECU (EP6 1.6 VTi)

Related and nearby codes

How to read P101A

P

Powertrain: engine, transmission and driveline systems.

1

Manufacturer-defined range: the meaning can differ between brands.

01A

Specific fault index within the subsystem.

Frequently asked questions about P101A

What does P101A mean?

Diagnostic Trouble Code (3 interpretations). The control module detected that the WT overload protection signal stayed above the expected range. This is the manufacturer-specific definition used by BMW.

Is P101A generic or manufacturer-specific?

P101A is a manufacturer-specific code. In this database it is documented for: BMW, PSA. The same number can mean something different on other brands.

Can TuningBot remove P101A at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

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