DTC P1696: Pcm Failure EEPROM Write Denied: Description
NOTE:
For circuit identification, see WIRING DIAGRAMS article. If replacing Powertrain Control Module (PCM), PCM must be reprogrammed. See PROGRAMMING . After each repair procedure has been completed, reconnect all components. Perform TEST VER-1 to ensure system is functioning properly.
DTC P1696 indicates PCM failure EEPROM write denied and is monitored with ignition on. DTC will set in Powertrain Control Module (PCM) memory when PCM's attempt to program/write to internal EEPROM fails. Possible cause for DTC to set is: defective PCM.