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TuningBot DTC Database · v4.37.14

P1661 Diagnostic Trouble Code (6 interpretations)

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

P · PowertrainFuelOBD2
Brand pages:DodgeFordHyundaiVAGVolvo

Dodge

1 interpretation
P1661
Injectors - voltage low/high Dodge · fuel Data confidence 62%

The control module detected that the Injectors voltage stayed below the expected range. This is the manufacturer-specific definition used by Dodge.

Possible causes

  • Wiring
  • connectors
  • injectors
  • ECM

Ford

1 interpretation
P1661
Output Circuit Check Signal Low Ford · engine Data confidence 80%

The control module detected that the Output Circuit Check signal stayed below the expected range. This is the manufacturer-specific definition used by Ford.

Hyundai

1 interpretation
P1661
Cruise Control Indicator Lamp - Malfunction Hyundai · 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 Hyundai.

VAG

2 interpretations
P1661
Engine coolant blower motor, speed 2 - short to positive VAG · climate_control Data confidence 62%

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

Possible causes

  • Wiring short to positive
  • engine coolant blower motor
Applies to Audi
P1661
Engine coolant blower motor, speed 2 - short to positive VAG · climate_control Data confidence 62%

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

Possible causes

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

Volvo

1 interpretation
P1661
Cruise control master switch - signal low Volvo · driver_assistance Data confidence 62%

The control module detected that the Cruise control master switch signal stayed below the expected range. 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 P1661

P

Powertrain: engine, transmission and driveline systems.

1

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

661

Specific fault index within the subsystem.

Frequently asked questions about P1661

What does P1661 mean?

Diagnostic Trouble Code (6 interpretations). The control module detected that the Injectors voltage stayed below the expected range. This is the manufacturer-specific definition used by Dodge.

Is P1661 generic or manufacturer-specific?

P1661 is a manufacturer-specific code. In this database it is documented for: Dodge, Ford, Hyundai, VAG, Volvo. The same number can mean something different on other brands.

Can TuningBot remove P1661 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

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

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

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