Engine Control Module Internal Random Access Memory Error
Table of contents
- Possible Causes
- How To Fix
- Tech Notes
- Cost To Diagnose
- When is the code detected
- Possible Symptoms
- Description
P0604 INFINITI Possible Causes
- Loose or poor battery terminal connection
- Low battery charge
- Faulty Engine Control Module (ECM)
- Engine Control Module power supply circuit is open or shorted
- Engine Control Module Outdated Program
How do I fix code P0604 INFINITI?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Tech Notes
- Start by charging the vehicles battery and clean terminal, once the battery is charged and the terminals are clean and secure, erase code. If the code comes back ON you may have to reprogram or replaced ECM
Cost of diagnosing the P0604 INFINITI code
The cost of diagnosing the P0604 INFINITI code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
When is the code detected
Indicates the ECM has experienced an internal memory fault.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Engine may not start
P0604 INFINITI Description
The Diagnostic Trouble Code (DTC) will set when the Engine Control Module (ECM) detects a malfunction in the internal Random Access Memory (RAM) of the Engine Control Module.