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TuningBot DTC Database · v4.37.15

P1677 Diagnostic Trouble Code (3 interpretations)

3 manufacturer-specific interpretations across 3 manufacturers in the TuningBot DTC database.

P · PowertrainEngineOBD2
Brand pages:BMWHondaVAG

BMW

1 interpretation
P1677
Cold start idle air control (IAC) system - RPM higher then expected BMW · engine Data confidence 62%

The control module detected a fault associated with the Cold start idle air control (IAC) system - RPM higher then expected circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by BMW.

Possible causes

  • Vacuum leak
  • ECM

Honda

1 interpretation
P1677
Traction Control System FI Data Line Failure Honda · engine Data confidence 62%

The control module detected improper operation of the Traction Control System FI Data Line circuit. This is the manufacturer-specific definition used by Honda.

VAG

1 interpretation
P1677
ETS warning lamp - short to positive VAG · body Data confidence 62%

The control module detected a short circuit to battery voltage in the ETS warning lamp circuit. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Instrumentation control module trouble code(s) stored
  • wiring short to positive
  • matching resistor in ECM
Applies to Audi

Related and nearby codes

How to read P1677

P

Powertrain: engine, transmission and driveline systems.

1

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

677

Specific fault index within the subsystem.

Frequently asked questions about P1677

What does P1677 mean?

Diagnostic Trouble Code (3 interpretations). The control module detected a fault associated with the Cold start idle air control (IAC) system - RPM higher then expected circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by BMW.

Is P1677 generic or manufacturer-specific?

P1677 is a manufacturer-specific code. In this database it is documented for: BMW, Honda, VAG. The same number can mean something different on other brands.

Can TuningBot remove P1677 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

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