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TuningBot DTC Database · v4.37.15

P200C Diesel Particulate Filter Over Temperature Bank 1

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainEmissionsOBD2

What P200C means

P200C
Diesel Particulate Filter Over Temperature Bank 1 Generic · emissions Data confidence 85%

The control module detected that the Diesel Particulate Filter temperature exceeded its permissible limit.

Symptoms

  • MIL or DPF warning illuminated
  • Possible reduced power or limp mode
  • Possible frequent regeneration attempts

Possible causes

  • Excessive soot load beyond regeneration limits
  • Differential pressure sensor or hose fault
  • Failed or interrupted regenerations (short trips)
  • Exhaust leak upstream of the sensor
  • Underlying engine fault increasing soot output

Recommended checks

  • Read soot load, ash load and differential pressure values
  • Check differential pressure sensor and hoses
  • Verify exhaust gas temperature sensor readings
  • Check for related injection, EGR or boost codes
  • Verify regeneration conditions can be met (trip profile)

Related and nearby codes

How to read P200C

P

Powertrain: engine, transmission and driveline systems.

2

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

00C

Specific fault index within the subsystem.

Frequently asked questions about P200C

What does P200C mean?

Diesel Particulate Filter Over Temperature Bank 1. The control module detected that the Diesel Particulate Filter temperature exceeded its permissible limit.

Is P200C generic or manufacturer-specific?

P200C is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P200C 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 tuningDyno-tested results by model and engine See the results →

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