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TuningBot DTC Database · v4.37.15

P1145 Diagnostic Trouble Code (7 interpretations)

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

P · PowertrainEmissionsOBD2

Chevrolet

1 interpretation
P1145
HO2S Cross Counts Bank 1 Sensor 3 Chevrolet · emissions Data confidence 80%

The control module detected a fault associated with the HO2S Cross Counts Bank 1 Sensor 3 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.

Chrysler

1 interpretation
P1145
HO2S Cross Counts Bank 1 Sensor 3 Chrysler · emissions Data confidence 62%

The control module detected a fault associated with the HO2S Cross Counts Bank 1 Sensor 3 circuit or function; the stored code identifies the affected component rather than a single failure mode. 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

Ford

1 interpretation
P1145
Calculated Torque Error Ford · engine Data confidence 62%

The control module registered the fault condition described as "Calculated Torque Error". This is the manufacturer-specific definition used by Ford.

Hyundai

1 interpretation
P1145
Main Duty Solenoid Malfunction Hyundai · engine Data confidence 62%

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

MINI

1 interpretation
P1145
Solenoid Valve Running Losses Control Circuit Electrical MINI · engine Data confidence 62%

The control module detected a fault associated with the Solenoid Valve Running Losses Control Circuit Electrical circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by MINI.

VAG

2 interpretations
P1145
Mass air flow (MAF) sensor, Bank 1 - short to positive VAG · engine Data confidence 62%

The control module detected a short circuit to battery voltage in the Mass air flow (MAF) sensor, Bank 1 circuit. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Wiring short to positive
  • MAF sensor
Applies to Audi
P1145
Mass Air Flow Sensor (G70): Short to Plus VAG · engine Data confidence 84%

The control module detected a short circuit to battery voltage in the Mass Air Flow Sensor (G70) circuit. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17553. 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

Applies to Volkswagen

Related and nearby codes

How to read P1145

P

Powertrain: engine, transmission and driveline systems.

1

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

145

Specific fault index within the subsystem.

Frequently asked questions about P1145

What does P1145 mean?

Diagnostic Trouble Code (7 interpretations). The control module detected a fault associated with the HO2S Cross Counts Bank 1 Sensor 3 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 P1145 generic or manufacturer-specific?

P1145 is a manufacturer-specific code. In this database it is documented for: Chevrolet, Chrysler, Ford, Hyundai, MINI, VAG. The same number can mean something different on other brands.

Can TuningBot remove P1145 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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