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TuningBot DTC Database · v4.37.15

P1453 Mercedes-Benz - Secondary air injection (AIR) pump relay - defective

Manufacturer-specific interpretation for Mercedes-Benz. All interpretations of P1453

P · PowertrainEmissionsOBD2

What P1453 means

P1453
Secondary air injection (AIR) pump relay - defective Mercedes-Benz · emissions Data confidence 62%

The control module's internal test reported the Secondary air injection (AIR) pump relay as faulty. This is the manufacturer-specific definition used by Mercedes-Benz.

Possible causes

  • Wiring
  • fuse
  • AIR pump relay
  • ECM

Related and nearby codes

How to read P1453

P

Powertrain: engine, transmission and driveline systems.

1

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

453

Specific fault index within the subsystem.

Frequently asked questions about P1453

What does P1453 mean?

Secondary air injection (AIR) pump relay - defective. The control module's internal test reported the Secondary air injection (AIR) pump relay as faulty. This is the manufacturer-specific definition used by Mercedes-Benz.

Is P1453 generic or manufacturer-specific?

P1453 is a manufacturer-specific code. In this database it is documented for: Mercedes-Benz. The same number can mean something different on other brands.

Can TuningBot remove P1453 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 Mercedes engines See the results →

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