Hours: 07–23 daily
EN
Tune your file

TuningBot DTC Database · v4.37.15

P1662 Diagnostic Trouble Code (5 interpretations)

5 manufacturer-specific interpretations across 4 manufacturers in the TuningBot DTC database.

P · PowertrainDriver_assistanceOBD2
Brand pages:Alfa RomeoChevroletVAGVolvo

Alfa Romeo

1 interpretation
P1662
Cruise control indicator lamp - malfunction Alfa Romeo · driver_assistance Data confidence 62%

The control module detected improper operation of the Cruise control indicator lamp. This is the manufacturer-specific definition used by Alfa Romeo.

Chevrolet

1 interpretation
P1662
Cruise control, inhibit output circuit malfunction Chevrolet · driver_assistance Data confidence 80%

The control module detected improper operation of the Cruise control, inhibit output circuit. This is the manufacturer-specific definition used by Chevrolet.

Possible causes

  • Wiring open circuit/short circuit to ground
  • cruise control motor/actuator
  • cruise control module
  • ECM

VAG

2 interpretations
P1662
Engine coolant blower motor, speed 2 - short to ground VAG · climate_control Data confidence 62%

The control module detected a short circuit to ground in the Engine coolant blower motor, speed 2 circuit. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Wiring short to ground
  • engine coolant blower motor
Applies to Audi
P1662
Engine coolant blower motor, speed 2 - short to ground VAG · climate_control Data confidence 62%

The control module detected a short circuit to ground in the Engine coolant blower motor, speed 2 circuit. This is the manufacturer-specific definition used by Volkswagen.

Possible causes

  • Wiring short to ground
  • engine coolant blower motor
Applies to Volkswagen

Volvo

1 interpretation
P1662
Cruise control master switch - no signal Volvo · driver_assistance Data confidence 62%

The control module did not receive the expected Cruise control master switch signal. This is the manufacturer-specific definition used by Volvo.

Possible causes

  • Wiring
  • cruise control master switch
  • cruise control module/multifunction control module

Related and nearby codes

P16 range
P1600P1601P1602P1603P1604P1605P1606P1607P1608P1609P160AP160CP160DP160EP160FP1610P1611P1612

How to read P1662

P

Powertrain: engine, transmission and driveline systems.

1

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

662

Specific fault index within the subsystem.

Frequently asked questions about P1662

What does P1662 mean?

Diagnostic Trouble Code (5 interpretations). The control module detected improper operation of the Cruise control indicator lamp. This is the manufacturer-specific definition used by Alfa Romeo.

Is P1662 generic or manufacturer-specific?

P1662 is a manufacturer-specific code. In this database it is documented for: Alfa Romeo, Chevrolet, VAG, Volvo. The same number can mean something different on other brands.

Can TuningBot remove P1662 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

Stage 1/2/3 TuningDPF RemovalEGR RemovalAdBlue / SCR RemovalDTC RemovalIMMO OFFSpeed Limiter (Vmax)

Understand the system behind this code: Diagnostic Strategy and DTC Logic

ECU tuningDyno-tested results by model and engine See the results →

← Search the full DTC database