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TuningBot DTC Database · v4.37.14

P1660 Diagnostic Trouble Code (7 interpretations)

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

P · PowertrainEngineOBD2
Brand pages:FordHyundaiKiaOpelVAGVolvo

Ford

1 interpretation
P1660
Output Circuit Check Signal High Ford · engine Data confidence 80%

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

Hyundai

1 interpretation
P1660
Cruise Control Switch - Malfunction Hyundai · driver_assistance Data confidence 62%

The control module detected improper operation of the Cruise Control Switch. This is the manufacturer-specific definition used by Hyundai.

Kia

1 interpretation
P1660
Power Stage Group 'B' Kia · engine Data confidence 62%

The control module detected a fault associated with the Power Stage Group 'B' circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Kia.

Opel

1 interpretation
P1660
Fuel shut - off solenoid - circuit malfunction Opel · engine Data confidence 62%

The control module detected improper operation of the Fuel shut - off solenoid circuit. This is the manufacturer-specific definition used by Opel.

VAG

2 interpretations
P1660
Engine coolant blower motor, speed 1 - 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 1 circuit. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Wiring short to ground
  • engine coolant blower motor
Applies to Audi
P1660
Coolant Fan Control 1: Short to Ground VAG · engine Data confidence 80%

The control module detected a short circuit to ground in the Coolant Fan Control 1 circuit. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 18068. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Symptoms

Malfunction Indicator Light (MIL) ON

Possible causes

  • Fuse(s) faulty
  • Wiring and/or Connector(s) from/to Coolant Fan Control Module (J293) faulty
  • Coolant Fan Control Module faulty
  • Engine Control Module Power Supply Relay (J271) faulty

Recommended checks

  • Check Fuse(s)
  • Check Wiring and/or Connector(s) from/to Coolant Fan Control Module (J293)
  • Check Coolant Fan Control
  • Check/Replace Coolant Fan Control Module (J293)
  • Check Engine Control Module Power Supply Relay (J271)
Applies to Volkswagen

Volvo

1 interpretation
P1660
Cruise control master switch - signal high Volvo · driver_assistance Data confidence 62%

The control module detected that the Cruise control master switch signal stayed above 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 P1660

P

Powertrain: engine, transmission and driveline systems.

1

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

660

Specific fault index within the subsystem.

Frequently asked questions about P1660

What does P1660 mean?

Diagnostic Trouble Code (7 interpretations). The control module detected that the Output Circuit Check signal stayed above the expected range. This is the manufacturer-specific definition used by Ford.

Is P1660 generic or manufacturer-specific?

P1660 is a manufacturer-specific code. In this database it is documented for: Ford, Hyundai, Kia, Opel, VAG, Volvo. The same number can mean something different on other brands.

Can TuningBot remove P1660 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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