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TuningBot DTC Database · v4.37.14

P0485 Cooling Fan Power/Ground Circuit Malfunction

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

P · PowertrainThermal_managementOBD2

What P0485 means

P0485
Cooling Fan Power/Ground Circuit Malfunction Generic · thermal_management Data confidence 90%

The control module detected improper operation of the Cooling Fan Power/Ground circuit.

Possible causes

  • Wiring
  • engine coolant blower motor
  • ECM

Related and nearby codes

How to read P0485

P

Powertrain: engine, transmission and driveline systems.

0

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

485

Specific fault index within the subsystem.

Frequently asked questions about P0485

What does P0485 mean?

Cooling Fan Power/Ground Circuit Malfunction. The control module detected improper operation of the Cooling Fan Power/Ground circuit.

Is P0485 generic or manufacturer-specific?

P0485 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0485 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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