P1696
SYMPTOMP1696-EEPROM MEMORY WRITE DENIED/INVALID
WHEN MONITORED
Continuously with the ignition on.
SET CONDITION
An attempt to program/write to the internal EEPROM failed, Also checks at power down. One Trip Fault. Three good trips to turn off the MIL.
POSSIBLE CAUSES
- PCM
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Scan Tool Testing and Procedures
DIAGNOSTIC TEST
1. SCAN TOOL DISPLAYS A WRITE FAILURE
With a scan tool, perform the SRI Memory Test.
Does scan tool display Write Failure?
Yes>> Replace and program the Powertrain Control Module per Service Information. Perform (NGC) POWERTRAIN VERIFICATION TEST VER-1. Powertrain Verification Test - Ver 1
No>> Go To 2
2. SCAN TOOL DISPLAYS A WRITE REFUSED
With the a scan tool, perform the SRI Memory Test.
Does the scan tool display Write Refused?
Yes>> Go To 3
No>> Go To 4
3. PCM REFUSED 2ND TEST
With a scan tool, perform the SRI Memory Test a third time.
Note: Retest the SRI Memory two more times.
Does the scan tool display Write Refused again?
Yes>> Replace and program the Powertrain Control Module per Service Information. Perform (NGC) POWERTRAIN VERIFICATION TEST VER-1.
No>> Test Complete.
4. SCAN TOOL DISPLAYS SRI MILEAGE INVALID
With a scan tool, perform the SRI Memory Test.
Does the scan tool display SRI Mileage Invalid?
Yes>> Update the mileage and retest the SRI Memory. Perform (NGC) POWERTRAIN VERIFICATION TEST VER-1.
No>> Go To 5
5. COMPARE SRI MILEAGE WITH ODOMETER
Compare the SRI Mileage stored with the Instrument Panel Odometer.
Is the mileage within the specified range displayed on the scan tool?
Yes>> Test Complete.
No>> Update the mileage and retest the SRI Memory. Perform (NGC) POWERTRAIN VERIFICATION TEST VER-1.