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PPowertrain (P)

Codes Powertrain (P)

7355 code(s) in this category. Page 4 of 307. Select one to see the detailed diagnosis.

P0049Crítica

Turbocharger/Supercharger A Turbine Overspeed

Motor (P)

The turbocharger A turbine speed exceeded its safe limit. Risk of bearing damage and shaft fracture. Often cau

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P004ACrítica

Turbocharger/Supercharger Boost Control B Circuit/Open

Motor (P)

Open circuit at boost control solenoid B (twin-turbo or two-stage system). Same diagnosis as P0045 on actuator

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P004BCrítica

Turbocharger/Supercharger Boost Control B Circuit Range/Performance

Motor (P)

Boost control B mechanical/hydraulic deviation from target. Same as P0046 on actuator B. Boost control tracks

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P004CCrítica

Turbocharger/Supercharger Boost Control B Circuit Low

Motor (P)

Boost control B circuit voltage below expected range. Same as P0047 on actuator B. Boost control tracks comman

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P004DCrítica

Turbocharger/Supercharger Boost Control B Circuit High

Motor (P)

Boost control B circuit voltage above expected range. Same as P0048 on actuator B. Boost control tracks comman

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P004EModerada

Turbocharger/Supercharger Boost Control A Circuit Intermittent/Erratic

Motor (P)

Intermittent dropouts or noise on boost control A circuit. Loose connector, partial wiring break, or solenoid

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P004FModerada

Turbocharger/Supercharger Boost Control B Circuit Intermittent/Erratic

Motor (P)

Same intermittent fault pattern as P004E on boost control B. Boost control tracks commanded vs. actual manifol

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P0050Moderada

HO2S Heater Control Circuit (Bank 2 Sensor 1)

Motor (P)

Generic electrical fault in the heater circuit of the upstream oxygen sensor on bank 2. The ECU monitors the h

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P0051Moderada

HO2S Heater Control Circuit Low (Bank 2 Sensor 1)

Motor (P)

The heater control line for the upstream bank 2 oxygen sensor reads below the expected voltage, typical of a s

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P0052Moderada

HO2S Heater Control Circuit High (Bank 2 Sensor 1)

Motor (P)

The heater control line for the upstream bank 2 oxygen sensor reads above the expected voltage, typical of a s

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P0053Moderada

HO2S Heater Resistance Bank 1 Sensor 1

Motor (P)

The heater resistance of the bank 1, sensor 1 oxygen sensor is outside its specified range. Sensor heater agin

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P0054Moderada

HO2S Heater Resistance Bank 1 Sensor 2

Motor (P)

The heater resistance of the bank 1, sensor 2 oxygen sensor is outside its specified range. Sensor heater agin

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P0055Moderada

HO2S Heater Resistance Bank 1 Sensor 3

Motor (P)

The heater resistance of the bank 1, sensor 3 oxygen sensor is outside its specified range. Sensor heater agin

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P0056Moderada

HO2S Heater Control Circuit (Bank 2 Sensor 2)

Motor (P)

Generic electrical fault in the heater circuit of the upstream oxygen sensor on bank 2. The ECU monitors the h

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P0057Moderada

HO2S Heater Control Circuit Low (Bank 2 Sensor 2)

Motor (P)

The heater control line for the upstream bank 2 oxygen sensor reads below the expected voltage, typical of a s

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P0058Moderada

HO2S Heater Control Circuit High (Bank 2 Sensor 2)

Motor (P)

The heater control line for the upstream bank 2 oxygen sensor reads above the expected voltage, typical of a s

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P0059Moderada

HO2S Heater Resistance Bank 2 Sensor 1

Motor (P)

Heater resistance out of range on bank 2 sensor 1 (pre-cat). Same diagnostic as P0053 on the second bank.

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P005AModerada

B Camshaft Profile Actuator A Control Performance/Stuck Off Bank 1

Motor (P)

Exhaust cam profile actuator A on bank 1 stuck disengaged. Same fault pattern as P003C but on the exhaust cam.

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P005BModerada

B Camshaft Profile Actuator A Control Stuck On Bank 1

Motor (P)

Exhaust cam profile actuator A on bank 1 stuck engaged. Same fault pattern as P003D on the exhaust cam. The ca

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P005CModerada

B Camshaft Profile Actuator A Control Performance/Stuck Off Bank 2

Motor (P)

Exhaust cam profile actuator A on bank 2 stuck disengaged. Same fault pattern as P003C but on the exhaust cam.

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P005DModerada

B Camshaft Profile Actuator A Control Stuck On Bank 2

Motor (P)

Exhaust cam profile actuator A on bank 2 stuck engaged. Same fault pattern as P003D on the exhaust cam. The ca

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P005ECrítica

Turbocharger/Supercharger Boost Control B Supply Voltage Circuit Low

Motor (P)

Supply voltage feeding boost control actuator B is below the expected range. Likely fuse, supply wiring or rel

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P005FCrítica

Turbocharger/Supercharger Boost Control B Supply Voltage Circuit High

Motor (P)

Supply voltage feeding boost control actuator B is above the expected range. Likely charging system overvoltag

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P0060Moderada

HO2S Heater Resistance Bank 2 Sensor 2

Motor (P)

Heater resistance out of range on bank 2 sensor 2 (post-cat). Same diagnostic as P0053 on second bank, post-ca

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