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TuningBot DTC Database · v4.37.14

P1854 Diagnostic Trouble Code (5 interpretations)

5 manufacturer-specific interpretations across 4 manufacturers in the TuningBot DTC database.

P · PowertrainEngineOBD2
Brand pages:ChryslerDodgeFordVAG

Chrysler

1 interpretation
P1854
Manifold absolute pressure (MAP) sensor/ turbocharger (TC) boost pressure sensor range/performance problem Chrysler · engine Data confidence 62%

The control module judged the Manifold absolute pressure (MAP) sensor/ turbocharger (TC) boost pressure behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Chrysler.

Possible causes

  • Intake/exhaust leak
  • wiring
  • MAP sensor
  • TC boost pressure sensor
  • TC boost pressure actuator

Dodge

1 interpretation
P1854
Manifold absolute pressure (MAP) sensor/turbocharger (Te) boost pressure sensor range/performance problem Dodge · engine Data confidence 62%

The control module judged the Manifold absolute pressure (MAP) sensor/turbocharger (Te) boost pressure behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Dodge.

Possible causes

  • Intake/exhaust leak
  • wiring
  • MAP sensor
  • TC boost pressure sensor
  • TC boost pressure actuator

Ford

1 interpretation
P1854
Transmission Transfer Case Contact Plate 'C' Circuit Failure Ford · engine Data confidence 80%

The control module detected improper operation of the Transmission Transfer Case Contact Plate 'C' circuit. This is the manufacturer-specific definition used by Ford.

VAG

2 interpretations
P1854
CAN data bus, ABS - defective VAG · network Data confidence 62%

The control module's internal test reported the CAN data bus, ABS as faulty. This is the manufacturer-specific definition used by Audi.

Possible causes

  • ABS trouble code(s) stored
  • wiring
  • matching resistor in ECM
Applies to Audi
P1854
CAN data bus, ABS - defective VAG · network Data confidence 80%

The control module's internal test reported the CAN data bus, ABS as faulty. This is the manufacturer-specific definition used by Volkswagen.

Possible causes

  • ABS trouble code(s) stored
  • wiring
  • matching resistor in ECM
Applies to Volkswagen

Related and nearby codes

P18 range
P1800P1801P1802P1803P1804P1805P1806P1807P1808P1809P1810P1811P1812P1813P1814P1815P1816P1817

How to read P1854

P

Powertrain: engine, transmission and driveline systems.

1

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

854

Specific fault index within the subsystem.

Frequently asked questions about P1854

What does P1854 mean?

Diagnostic Trouble Code (5 interpretations). The control module judged the Manifold absolute pressure (MAP) sensor/ turbocharger (TC) boost pressure behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Chrysler.

Is P1854 generic or manufacturer-specific?

P1854 is a manufacturer-specific code. In this database it is documented for: Chrysler, Dodge, Ford, VAG. The same number can mean something different on other brands.

Can TuningBot remove P1854 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. 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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Understand the system behind this code: Diagnostic Strategy and DTC Logic

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