HomeP0304 · Manufacturer communications

P0304 · Manufacturer communications

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

P0304 →

1810216

CHRYSLER, DODGE

Reported code forms P0304

Flash: Powertrain Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp…

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0900214a

CHRYSLER, DODGE, JEEP

Reported code forms P0304

MIL Illumination: P0300, P0302, P0304 or P0306 (X56 Warranty Extension) This bulletin involves checking for excessive cylinder leakage and replacing the cylinder head if necessary. Customers may experience a Malfunction…

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0900214REVB

CHRYSLER, DODGE, JEEP

Reported code forms P0304

MIL Illumination: P0300, P0302, P0304 or P0306 (X56 Warranty Extension) This bulletin involves checking for excessive cylinder leakage and replacing the cylinder head if necessary. Customers may experience a Malfunction…

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CHRYSLER, DODGE, JEEP

Reported code forms P0304

MIL Illumination: P0300, P0302, P0304 or P0306 (X56 Warranty Extension) This bulletin involves checking for excessive cylinder leakage and replacing the cylinder head if necessary. Customers may experience a Malfunction…

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0900214

CHRYSLER, DODGE, JEEP

Reported code forms P0304

MIL Illumination: P0300, P0302, P0304 or P0306 (X56 Warranty Extension)

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CHRYSLER, DODGE, JEEP

Reported code forms P0304

MIL Illumination: P0300, P0302, P0304 or P0306 (X56 Warranty Extension) This bulletin involves checking for excessive cylinder leakage and replacing the cylinder head if necessary. Customers may experience a Malfunction…

Read communication ↗

09-002-14

CHRYSLER, DODGE, JEEP, RAM

Reported code forms P0304

MIL Illumination: P0300, P0302, P0304 or P0306 (X56 Warranty Extension) This bulletin involves checking for excessive cylinder leakage and replacing the cylinder head if necessary. Customers may experience a Malfunction…

Read communication ↗