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TuningBot DTC Database · v4.37.15

P1143 VAG - Diagnostic Trouble Code (2 interpretations)

Manufacturer-specific interpretation for VAG. All interpretations of P1143

P · PowertrainEngineOBD2

What P1143 means

P1143
Load calculation - too high VAG · engine Data confidence 62%

The control module detected that the Load calculation value was above the expected limit. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Throttle control unit
  • MAP sensor
  • MAF sensor
  • APP sensor
Applies to Audi
P1143
Load Calculation Cross Check: Upper Limit Exceeded VAG · engine Data confidence 84%

The control module detected that the monitored Load Calculation Cross Check: Upper Limit value exceeded the calibrated threshold. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17551. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Recommended checks

  • Check Mass Air Flow Sensors (G70)
  • Check Throttle Pedal
  • Check Throttle Body
  • Check Engine Control Unit
Applies to Volkswagen

Related and nearby codes

How to read P1143

P

Powertrain: engine, transmission and driveline systems.

1

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

143

Specific fault index within the subsystem.

Frequently asked questions about P1143

What does P1143 mean?

Diagnostic Trouble Code (2 interpretations). The control module detected that the Load calculation value was above the expected limit. This is the manufacturer-specific definition used by Audi.

Is P1143 generic or manufacturer-specific?

P1143 is a manufacturer-specific code. In this database it is documented for: VAG. The same number can mean something different on other brands.

Can TuningBot remove P1143 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

ECU tuningStage 1 dyno results for VAG engines See the results →

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