P1696/7 PCM Failure EEPROM Write Denied/SRI Mile Not Stored

SYMPTOM LIST
P-1696 PCM FAILURE EEPROM WRITE DENIED
P-1697 PCM FAILURE SRI MILE NOT STORED

Test Note: All symptoms listed above are diagnosed using the same tests.

POSSIBLE CAUSES
- Powertrain control module defective "write refused"
- SRI memory/instrument panel odo mileage same
- SRI memory "SRI mileage invalid"
- SRI memory needs updating
- PCM defective "write failure"