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.
TuningBot DTC Database · v4.37.15
P1145 Diagnostic Trouble Code (7 interpretations)
7 manufacturer-specific interpretations across 6 manufacturers in the TuningBot DTC database.
Chevrolet
1 interpretation
Chrysler
1 interpretationThe 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 interpretationThe control module registered the fault condition described as "Calculated Torque Error". This is the manufacturer-specific definition used by Ford.
Hyundai
1 interpretationThe control module detected improper operation of the Main Duty Solenoid. This is the manufacturer-specific definition used by Hyundai.
MINI
1 interpretationThe 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 interpretationsThe 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
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
Related and nearby codes
How to read P1145
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
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
Understand the system behind this code: Oxygen Sensors (Lambda)
