P0604

Showing the 25 model years where P0604 appears most; it is on file for 61 in total.

A model year appears here because the code is named in its record, not because every one of these vehicles sets it. Counts are mentions in the federal files, not failure rates — nobody publishes the denominator.

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Service bulletins and campaigns whose filed summary names P0604.

• PIT6512A Service bulletin
  2026-08-03 · Unknown Or Other
• This PI states that if SDGM DTC P0604/P0607 is set and no other SDGM DTCs are present, clear DTCs and reset the SDGM. Advises of how to contact PQC to authorize SDGM replacement.
• PIT6512 Service bulletin
  2026-05-11 · Unknown Or Other
• This PI states that if SDGM DTC P0604/P0607 is set and no other SDGM DTCs are present, clear DTCs and reset the SDGM. Advises of how to contact PQC to authorize SDGM replacement.
• 18-043-26 Service bulletin
  2026-03-21 · Engine
• Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P0111-00 - Intake Air Temperature Sensor 1 Circuit Range Performance Bank 1. (In Active or Stored status) ● P0071-00 - Ambient Air Temperature Sensor Performance. (In Acti
• 18-043-26 Service bulletin
  2026-03-21 · Engine
• Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P0111-00 - Intake Air Temperature Sensor 1 Circuit Range Performance Bank 1. (In Active or Stored status) ● P0071-00 - Ambient Air Temperature Sensor Performance. (In Acti
• PIP5463A Service bulletin
  2019-06-17 · Power Train
• This Preliminary Information communication provides information to the technician about vehicles that have a Malfunction Indicator Lamp on and may have a loss of propulsion. Technician may find Diagnostic Trouble Code P0604 set in the Hybrid Powertrain Control Module Technician will need to replace the (T6) Power Inverter Module.
• NTB17-063 Service bulletin
  2017-06-08 · Engine
• 2016-2017 TITAN XD; MIL ON WITH DTC P0604 AND/OR P2299 This bulletin applies only to vehicles equipped with a Cummins 5.0L V8 Diesel engine. IF YOU CONFIRM The MIL is ON with one or both of the following DTCs stored: - P0604 (ECM [Internal Control Module Random Access Memory (RAM) Error]) - P2299 (ACCEL PEDAL POS BRAKE SWITCH) And There are no drivability issues. ACTION 1. Save Comput

A stored code names the test that failed, never the part that caused it. It is the starting point of a diagnosis, not its conclusion — the same code has several possible causes and the cheap one is not always right.