Hours: 07–23 daily

TuningBot DTC Database · v4.37.15

P1620 VAG - Instrument panel, ECT signal - open circuit/short to positive

Manufacturer-specific interpretation for VAG. All interpretations of P1620

P · PowertrainThermal_managementOBD2

What P1620 means

P1620
Instrument panel, ECT signal - open circuit/short to positive VAG · thermal_management Data confidence 62%

The control module detected an interruption (open circuit) in the Instrument panel, ECT circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Wiring open circuit/short to positive
  • instrument panel
Applies to Audi

Related and nearby codes

How to read P1620

P

Powertrain: engine, transmission and driveline systems.

1

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

620

Specific fault index within the subsystem.

Frequently asked questions about P1620

What does P1620 mean?

Instrument panel, ECT signal - open circuit/short to positive. The control module detected an interruption (open circuit) in the Instrument panel, ECT circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Audi.

Is P1620 generic or manufacturer-specific?

P1620 is a manufacturer-specific code. In this database it is documented for: VAG. The same number can mean something different on other brands.

Can TuningBot remove P1620 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 VAG engines See the results →

← Search the full DTC database