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TuningBot DTC Database · v4.37.14

P1458 Diagnostic Trouble Code (5 interpretations)

5 manufacturer-specific interpretations across 4 manufacturers in the TuningBot DTC database.

P · PowertrainClimate_controlOBD2
Brand pages:HyundaiMazdaPorscheVAG

Hyundai

1 interpretation
P1458
A/C Compressor Input Signal Malfunction Hyundai · climate_control Data confidence 62%

The control module detected improper operation of the A/C Compressor Input. This is the manufacturer-specific definition used by Hyundai.

Mazda

1 interpretation
P1458
A/C Compressor Clutch Signal Fault Mazda · transmission Data confidence 62%

The control module registered the fault condition described as "A/C Compressor Clutch Signal Fault". This is the manufacturer-specific definition used by Mazda.

Porsche

1 interpretation
P1458
A/C Compressor Signal Porsche · climate_control Data confidence 62%

The control module detected a fault associated with the A/C Compressor Signal circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Porsche.

VAG

2 interpretations
P1458
Exhaust gas recirculation temperature (EGRT) sensor 2/Bank 2 - short to ground VAG · emissions Data confidence 62%

The control module detected a short circuit to ground in the Exhaust gas recirculation temperature (EGRT) sensor 2/Bank 2 circuit. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Wiring short to ground
  • EGRT sensor
Applies to Audi
P1458
Exhaust Gas Temp Sensor 2 (G236): Short to Ground VAG · engine Data confidence 88%

The control module detected a short circuit to ground in the Exhaust Gas Temp Sensor 2 (G236) circuit. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17866. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Symptoms

Malfunction Indicator Light (MIL) ON

Possible causes

  • Wiring and/or Connector(s) from/to Exhaust Gas Temperature Sensor 2 (G236) faulty
  • Exhaust Gas Temperature Sensor 2 (G236) faulty

Recommended checks

  • Check Wiring and/or Connector(s) from/to Exhaust Gas Temperature Sensor 2 (G236)
  • Check/Replace Exhaust Gas Temperature Sensor 2 (G236)
Applies to Volkswagen

Related and nearby codes

P14 range
P1400P1401P1402P1403P1404P1405P1406P1407P1408P1409P140AP140CP140EP1410P1411P1412P1413P1414

How to read P1458

P

Powertrain: engine, transmission and driveline systems.

1

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

458

Specific fault index within the subsystem.

Frequently asked questions about P1458

What does P1458 mean?

Diagnostic Trouble Code (5 interpretations). The control module detected improper operation of the A/C Compressor Input. This is the manufacturer-specific definition used by Hyundai.

Is P1458 generic or manufacturer-specific?

P1458 is a manufacturer-specific code. In this database it is documented for: Hyundai, Mazda, Porsche, VAG. The same number can mean something different on other brands.

Can TuningBot remove P1458 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

Stage 1/2/3 TuningDPF RemovalEGR RemovalAdBlue / SCR RemovalDTC RemovalIMMO OFFSpeed Limiter (Vmax)

Understand the system behind this code: EGR System

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