FixVault

IPDM E/R

WARNING: This page is about a different car, the 2011 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.
POWER CONTROL SYSTEM (EXCEPT HYBRID - IPDM E/R) DIAGNOSTIC TROUBLE CODES (DTC) LIST

DTC Description
DTC U1000 CAN COMM CIRCUIT
DTC B2098 IGNITION RELAY ON STUCK
DTC B2099 IGNITION RELAY OFF STUCK