P0604 SATURN - Control Module Random Access Memory
P0604 Saturn Possible Causes
- Faulty Powertrain Control Module (PCM)
- PCM harness is open or shorted
- PCM circuit poor electrical connection
- PCM Programming
P0604 Saturn Tech Notes
Check the Powertrain Control Module (PCM) fuse, if fuse is OK try erasing the code first and if the code comes back you may have to reprogram or replaced the PCM.
Cost of diagnosing the P0604 Saturn code
The cost of diagnosing the P0604 Saturn code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
When is the code detected?
Indicates the Powertrain Control Module (PCM) has experienced an internal memory fault.
P0604 Saturn Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Engine may not start
P0604 Saturn Meaning
The Powertrain Control Module (PCM
) performs an internal self-test on it's Random Access Memory (RAM) or read/write memory. If this self-test fails, the P0604 code will set.