Hours: 07–23 daily

TuningBot DTC Database · v4.37.15

P1144 Diagnostic Trouble Code (8 interpretations)

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

P · PowertrainEmissionsOBD2

Chevrolet

1 interpretation
P1144
HO2S Bank 1 Sensor 3 Rich or High Voltage Chevrolet · emissions Data confidence 80%

The control module detected a fault associated with the HO2S Bank 1 Sensor 3 Rich or 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 Chevrolet.

Dodge

1 interpretation
P1144
Fuel Rail Pressure Malfunction Positive Volume Deviation Dodge · fuel Data confidence 62%

The control module detected a fault associated with the Fuel Rail Pressure Malfunction Positive Volume Deviation 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.

Hyundai

1 interpretation
P1144
Slow Cut Solenoid Malfunction Hyundai · engine Data confidence 62%

The control module detected improper operation of the Slow Cut Solenoid. This is the manufacturer-specific definition used by Hyundai.

Jaguar

1 interpretation
P1144
Air Assisted Injector Control Valve Circuit Jaguar · fuel Data confidence 62%

The control module detected improper operation of the Air Assisted Injector Control Valve circuit. This is the manufacturer-specific definition used by Jaguar.

Jeep

1 interpretation
P1144
Fuel Rail Pressure Malfunction Positive Volume Deviation Jeep · fuel Data confidence 62%

The control module detected a fault associated with the Fuel Rail Pressure Malfunction Positive Volume Deviation circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Jeep.

Nissan

1 interpretation
P1144
Heated oxygen sensor (HO2S) 1, bank 1 - rich shift monitoring Nissan · emissions Data confidence 62%

The control module detected a fault associated with the Heated oxygen sensor (HO2S) 1, bank 1 - rich shift monitoring circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Nissan.

Possible causes

  • Wiring
  • HO2S
  • fuel system
  • injector
  • ECM

VAG

2 interpretations
P1144
Mass air flow (MAF) sensor, Bank 1 - open circuit/short to ground VAG · engine Data confidence 62%

The control module detected an interruption (open circuit) in the Mass air flow (MAF) sensor, Bank 1 circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Wiring open circuit/short to ground
  • MAF sensor
Applies to Audi
P1144
Mass Air Flow Sensor (G70): Open or Short to Ground VAG · engine Data confidence 88%

The control module detected a short circuit to ground in the Mass Air Flow Sensor (G70): Open or circuit. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17552. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Symptoms

  • MIL on
  • Excessive smoke from Exhaust
  • Reduced Engine Output

Possible causes

  • Fuse or Wiring Harness Issue
  • Failed Mass Air Flow Sensor (G70)

Recommended checks

  • Check Fuses and Wiring Harness, see Factory Repair Manual
  • Check Measuring Value Blocks
  • Check EGR with TDI engines
Applies to Volkswagen

Related and nearby codes

How to read P1144

P

Powertrain: engine, transmission and driveline systems.

1

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

144

Specific fault index within the subsystem.

Frequently asked questions about P1144

What does P1144 mean?

Diagnostic Trouble Code (8 interpretations). The control module detected a fault associated with the HO2S Bank 1 Sensor 3 Rich or 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 Chevrolet.

Is P1144 generic or manufacturer-specific?

P1144 is a manufacturer-specific code. In this database it is documented for: Chevrolet, Dodge, Hyundai, Jaguar, Jeep, Nissan, VAG. The same number can mean something different on other brands.

Can TuningBot remove P1144 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