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TuningBot DTC Database · v4.37.15

P1220 Diagnostic Trouble Code (10 interpretations)

10 manufacturer-specific interpretations across 9 manufacturers in the TuningBot DTC database.

Chevrolet

1 interpretation
P1220
Throttle motor position sensor 2 - circuit malfunction Chevrolet · engine Data confidence 80%

The control module detected improper operation of the Throttle motor position sensor 2 circuit. This is the manufacturer-specific definition used by Chevrolet.

Possible causes

  • Wiring
  • throttle control module

Chrysler

1 interpretation
P1220
Throttle Position (TP) Sensor 2 Circuit Chrysler · engine Data confidence 62%

The control module detected improper operation of the Throttle Position (TP) Sensor 2 circuit. This is the manufacturer-specific definition used by Chrysler.

Recommended checks

  • Perform a full module scan
  • Review freeze-frame and occurrence data
  • Inspect relevant wiring and connectors
  • Check power supplies and grounds
  • Compare commanded and measured values
  • Check applicable OEM service information

Ford

1 interpretation
P1220
Series Throttle Control Fault Detected Ford · engine Data confidence 80%

The control module registered the fault condition described as "Series Throttle Control Fault Detected". This is the manufacturer-specific definition used by Ford.

Honda

1 interpretation
P1220
Throttle motor position sensor 2 - circuit malfunction Honda · engine Data confidence 62%

The control module detected improper operation of the Throttle motor position sensor 2 circuit. This is the manufacturer-specific definition used by Honda.

Possible causes

  • throttle control unit
  • ECM

Mercedes-Benz

1 interpretation
P1220
Fuel Quantity Actuator Y231 Mercedes-Benz · engine Data confidence 62%

The control module detected a fault associated with the Fuel Quantity Actuator Y231 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Mercedes-Benz.

Nissan

1 interpretation
P1220
Fuel pump control module - circuit malfunction Nissan · fuel Data confidence 80%

The control module detected improper operation of the Fuel pump control module circuit. This is the manufacturer-specific definition used by Nissan.

Possible causes

  • Wiring
  • fuel pump speed resistor
  • fuel pump control module

Opel

1 interpretation
P1220
Fuel quantity adjustment control - malfunction Opel · engine Data confidence 62%

The control module detected improper operation of the Fuel quantity adjustment control. This is the manufacturer-specific definition used by Opel.

VAG

2 interpretations
P1220
Injector 8 - short to positive VAG · fuel Data confidence 62%

The control module detected a short circuit to battery voltage in the Injector 8 circuit. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Wiring short to positive
  • injector
Applies to Audi
P1220
Fuel Injector for Cylinder 8 (N86): Short to B+ VAG · fuel Data confidence 84%

The control module detected a short circuit to battery voltage in the Fuel Injector for Cylinder 8 (N86) circuit. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17627. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Symptoms

  • MIL On
  • Poor engine performance

Possible causes

  • Fuse for injector
  • Wiring harness issue
  • Failed injector
  • Failed ECM

Recommended checks

Inspect wiring to and from injector, see repair manual

Applies to Volkswagen

Volvo

1 interpretation
P1220
Mass air flow (MAF) sensor - flow too low Volvo · engine Data confidence 62%

The control module detected that the Mass air flow (MAF) sensor - flow value was below the expected limit. This is the manufacturer-specific definition used by Volvo.

Possible causes

  • Wiring
  • air restriction
  • MAF sensor
  • ECM

Related and nearby codes

How to read P1220

P

Powertrain: engine, transmission and driveline systems.

1

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

220

Specific fault index within the subsystem.

Frequently asked questions about P1220

What does P1220 mean?

Diagnostic Trouble Code (10 interpretations). The control module detected improper operation of the Throttle motor position sensor 2 circuit. This is the manufacturer-specific definition used by Chevrolet.

Is P1220 generic or manufacturer-specific?

P1220 is a manufacturer-specific code. In this database it is documented for: Chevrolet, Chrysler, Ford, Honda, Mercedes-Benz, Nissan, Opel, VAG, Volvo. The same number can mean something different on other brands.

Can TuningBot remove P1220 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 tuningDyno-tested results by model and engine See the results →

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