Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
Narrow by vehicle
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
P0605PCM ROM TEST ERROR
P0605Engine Control Module - ROM Error
P0605POWERTRAIN CONTROL MODULE READ ONLY MEMORY ERROR
Manufacturer communications
28Original wording in English
HYUNDAI
Certain 2024MY Santa Fe (MX5A) vehicles equipped with a Theta 3, 2.5L T-GDI engine may exhibit DTC P060547 (Internal Control Module Read Only Memory [ROM] Error). The vehicle may be operating normally, other than a delayed oil level warning light/message caused by errors in the oil level calculation process. The California Air R…
HYUNDAI
Certain 2024MY Santa Fe (MX5A) vehicles equipped with a Theta III, 2.5L T-GDI engine may exhibit DTC P060547 (Internal Control Module Read Only Memory [ROM] Error). The vehicle may be operating normally, other than a delayed oil level warning light/message caused by errors in the oil level calculation process. Follow the procedu…
KIA
TECHNICAL SERVICE BULLETIN: VOLUNTARY EMISSIONS SERVICE CAMPAIGN: ECM LOGIC UPDATE (SC318) - This bulletin provides the procedure to update the software logic of the Engine Control Module (ECM) system on certain 2024MY Sorento (MQ4a) vehicles equipped with 2.5L T-GDI Theta III engines produced from December 7, 2023 through Febru…
KIA
TECHNICAL SERVICE BULLETIN: SERVICE ACTION: MIL ON DTC P0605 AND/OR P2181 ECM LOGIC IMPROVEMENT (SA463) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides the procedure to improve the logic of the Engine…
Check vehicle applicability
228A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Audi | A8 ↗ | 2013 |
| Audi | A8 ↗ | 2012 |
| Audi | A8 ↗ | 2011 |
| Audi | A8 ↗ | 2010 |
| Ford | EXCURSION ↗ | 2004 |
| Ford | EXCURSION ↗ | 2003 |
| Ford | EXCURSION ↗ | 2002 |
| Ford | EXCURSION ↗ | 2001 |
Code meaning and manufacturer information
Original wording in English · Historical directory labels; manufacturer applicability has not been established for every entry.
Internal Control Module ROM Error (Module Identification Defined by SAE J1979)
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.