Hours: 07–23 daily

TuningBot DTC Database · v4.37.15

P1122 Diagnostic Trouble Code (15 interpretations)

15 manufacturer-specific interpretations across 14 manufacturers in the TuningBot DTC database.

Chevrolet

1 interpretation
P1122
Throttle position (TP) sensor - voltage low, intermittent Chevrolet · engine Data confidence 80%

The control module detected that the Throttle position (TP) voltage stayed below the expected range. This is the manufacturer-specific definition used by Chevrolet.

Possible causes

  • Wiring open circuit/short to ground
  • poor connections

Chrysler

1 interpretation
P1122
TP Sensor Circuit Intermittent Low Voltage Chrysler · engine Data confidence 62%

The control module detected an unstable or intermittent signal in the TP Sensor circuit. This is the manufacturer-specific definition used by Chrysler.

Recommended checks

  • Perform a full module scan
  • Review freeze-frame and occurrence data
  • Confirm the exact vehicle, ECU and software context
  • Inspect relevant wiring and connectors
  • Check applicable OEM service information

Dodge

1 interpretation
P1122
IAT Sens Circ Interm High Voltage Dodge · engine Data confidence 62%

The control module detected a fault associated with the IAT Sens Circ Interm High Voltage circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Dodge.

Ford

1 interpretation
P1122
Throttle Position Sensor Circuit Intermittent Low Voltage Ford · engine Data confidence 80%

The control module detected an unstable or intermittent signal in the Throttle Position circuit. This is the manufacturer-specific definition used by Ford.

Honda

1 interpretation
P1122
Throttle position (TP) sensor - position higher than expected Honda · engine Data confidence 80%

The control module detected that the Throttle position (TP) sensor - position value was higher than expected for the current conditions. This is the manufacturer-specific definition used by Honda.

Possible causes

TP sensor

Hyundai

1 interpretation
P1122
Over Boost Pressure - Malfunction Hyundai · engine Data confidence 62%

The control module detected improper operation of the Over Boost Pressure. This is the manufacturer-specific definition used by Hyundai.

Jaguar

1 interpretation
P1122
Pedal Position Sensor A Circuit Low Input Jaguar · engine Data confidence 62%

The control module detected that the signal in the Pedal Position Sensor A circuit stayed below the expected operating range. This is the manufacturer-specific definition used by Jaguar.

Land Rover

1 interpretation
P1122
Throttle position (TP) sensor - circuit malfunction Land Rover · engine Data confidence 62%

The control module detected improper operation of the Throttle position (TP) circuit. This is the manufacturer-specific definition used by Land Rover.

Possible causes

  • Wiring
  • supply voltage
  • TP sensor
  • ECM

Lexus

1 interpretation
P1122
Coolant Flow Control Valve Position Sensor Circuit Low Lexus · thermal_management Data confidence 62%

The control module detected that the signal in the Coolant Flow Control Valve Position circuit stayed below the expected operating range. This is the manufacturer-specific definition used by Lexus.

Mazda

1 interpretation
P1122
Throttle position (TP) sensor - stuck closed Mazda · engine Data confidence 80%

The control module determined that the Throttle position (TP) did not change state as commanded and appears stuck. This is the manufacturer-specific definition used by Mazda.

Possible causes

  • Wiring
  • TP sensor
  • ECM

MINI

1 interpretation
P1122
Pedal Position 1 Low Input MINI · engine Data confidence 62%

The control module detected that the Pedal Position 1 signal stayed below the expected range. This is the manufacturer-specific definition used by MINI.

Nissan

1 interpretation
P1122
Throttle valve position motor - range/performance problem Nissan · engine Data confidence 62%

The control module judged the Throttle valve position motor behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Nissan.

Possible causes

  • Wiring
  • throttle valve position motor

Opel

1 interpretation
P1122
Accelerator pedal position (APP) sensor B - circuit malfunction Opel · engine Data confidence 62%

The control module detected improper operation of the Accelerator pedal position (APP) sensor B circuit. This is the manufacturer-specific definition used by Opel.

VAG

2 interpretations
P1122
Heated oxygen sensor (HO2S) 2, Bank 2 - heater open circuit VAG · emissions Data confidence 62%

The control module detected an interruption (open circuit) in the Heated oxygen sensor (HO2S) 2, Bank 2 - heater circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Wiring open circuit
  • HO2S
Applies to Audi
P1122
Heated oxygen sensor (HO2S) heater open circuit VAG · emissions Data confidence 80%

The control module detected an interruption (open circuit) in the Heated oxygen sensor (HO2S) heater circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Volkswagen.

Possible causes

  • Wiring open circuit
  • HO2S
Applies to Volkswagen

Related and nearby codes

How to read P1122

P

Powertrain: engine, transmission and driveline systems.

1

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

122

Specific fault index within the subsystem.

Frequently asked questions about P1122

What does P1122 mean?

Diagnostic Trouble Code (15 interpretations). The control module detected that the Throttle position (TP) voltage stayed below the expected range. This is the manufacturer-specific definition used by Chevrolet.

Is P1122 generic or manufacturer-specific?

P1122 is a manufacturer-specific code. In this database it is documented for: Chevrolet, Chrysler, Dodge, Ford, Honda, Hyundai, Jaguar, Land Rover, Lexus, Mazda, MINI, Nissan, Opel, VAG. The same number can mean something different on other brands.

Can TuningBot remove P1122 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 →

← Search the full DTC database