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TuningBot DTC Database · v4.37.15

P1066 Dodge - AIR pump relay - circuit low

Manufacturer-specific interpretation for Dodge. All interpretations of P1066

P · PowertrainEngineOBD2

What P1066 means

P1066
AIR pump relay - circuit low Dodge · engine Data confidence 62%

The control module detected that the signal in the AIR pump relay circuit stayed below the expected operating range. This is the manufacturer-specific definition used by Dodge.

Possible causes

  • Wiring
  • connectors
  • AIR pump relay
  • ECM

Related and nearby codes

How to read P1066

P

Powertrain: engine, transmission and driveline systems.

1

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

066

Specific fault index within the subsystem.

Frequently asked questions about P1066

What does P1066 mean?

AIR pump relay - circuit low. The control module detected that the signal in the AIR pump relay circuit stayed below the expected operating range. This is the manufacturer-specific definition used by Dodge.

Is P1066 generic or manufacturer-specific?

P1066 is a manufacturer-specific code. In this database it is documented for: Dodge. The same number can mean something different on other brands.

Can TuningBot remove P1066 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 Dodge engines See the results →

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