Control Module Random Access Memory
Table of contents
- Possible Causes
- How To Fix
- Tech Notes
- Cost To Diagnose
- When is the code detected
- Possible Symptoms
- Description
P0604 PONTIAC Possible Causes
- Faulty Powertrain Control Module (PCM)
- PCM harness is open or shorted
- PCM circuit poor electrical connection
- PCM Programming
How do I fix code P0604 PONTIAC?
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
- 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 PONTIAC code
The cost of diagnosing the P0604 PONTIAC 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 Powertrain Control Module (PCM) has experienced an internal memory fault.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Engine may not start
P0604 PONTIAC Description
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.