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TuningBot DTC Database · v4.37.15

P041A Diagnostic Trouble Code (3 variants)

Generic (OBD-II) interpretation + 1 manufacturer-specific in the TuningBot DTC database.

P · PowertrainEmissionsOBD2
Brand pages:Ford

Generic (OBD-II) interpretation

P041A
Exhaust Gas Recirculation Temperature Sensor "B" Circuit Generic · emissions Data confidence 78%

The control module detected improper operation of the Exhaust Gas Recirculation Temperature Sensor "B" circuit.

Symptoms

  • MIL illuminated
  • Possible reduced engine performance
  • Possible rough idle or hesitation

Possible causes

  • Carbon-blocked EGR passages
  • Sticking or slow EGR valve
  • EGR actuator or position sensor fault
  • Wiring or connector fault
  • Vacuum supply fault (vacuum-operated systems)

Recommended checks

  • Read freeze frame data and full module scan
  • Check battery voltage and sensor supply
  • Inspect EGR wiring and connectors
  • Compare commanded vs actual EGR position/flow with live data
  • Inspect EGR valve and passages for carbon build-up
  • Check related vacuum lines where fitted

Manufacturer-specific interpretations

Ford

3 interpretations
P041A:16
EGR Temperature Sensor "B" Circuit Low Ford · emissions Data confidence 94%

Ford documents P041A:16 (circuit voltage below threshold) for its 2024-2025 gasoline-engine OBD monitor strategy as egr temperature sensor "b" circuit low. This three-byte interpretation is application-specific and identifies the detected monitor condition rather than a confirmed failed component.

Recommended checks

  • Perform a full module scan
  • Review freeze-frame and occurrence data
  • Inspect relevant wiring and connectors
  • Check power supplies and grounds
  • Compare commanded and measured values
  • Check applicable OEM service information
Applies to Ford gasoline-engine OBD applications|2024-2025 model years
P041A:17
EGR Temperature Sensor "B" Circuit High Ford · emissions Data confidence 94%

Ford documents P041A:17 (circuit voltage above threshold) for its 2024-2025 gasoline-engine OBD monitor strategy as egr temperature sensor "b" circuit high. This three-byte interpretation is application-specific and identifies the detected monitor condition rather than a confirmed failed component.

Recommended checks

  • Perform a full module scan
  • Review freeze-frame and occurrence data
  • Inspect relevant wiring and connectors
  • Check power supplies and grounds
  • Compare commanded and measured values
  • Check applicable OEM service information
Applies to Ford gasoline-engine OBD applications|2024-2025 model years
P041A:92
EGR Temperature Sensor "B" Range/Performance Ford · emissions Data confidence 94%

Ford documents P041A:92 for its 2024-2025 gasoline-engine OBD monitor strategy as egr temperature sensor "b" range/performance. This three-byte interpretation is application-specific and identifies the detected monitor condition rather than a confirmed failed component.

Recommended checks

  • Perform a full module scan
  • Review freeze-frame and occurrence data
  • Compare commanded and measured values
  • Check applicable OEM service information
Applies to Ford gasoline-engine OBD applications|2024-2025 model years

Related and nearby codes

How to read P041A

P

Powertrain: engine, transmission and driveline systems.

0

Generic SAE-standard code: same meaning on every make.

41A

Specific fault index within the subsystem.

Frequently asked questions about P041A

What does P041A mean?

Diagnostic Trouble Code (3 variants). The control module detected improper operation of the Exhaust Gas Recirculation Temperature Sensor "B" circuit.

Is P041A generic or manufacturer-specific?

P041A exists both as a generic OBD-II code (same meaning on every make) and with 1 manufacturer-specific interpretation(s): Ford. Always read it in the context of your vehicle.

Can TuningBot remove P041A 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 Ford engines See the results →

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