LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 901 (Engine Immobilizer System - Diagnosis) >> Diagnostic Trouble Code Chart
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Diagnostic Trouble Code Chart

WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC TROUBLE CODE CHART

DTC Description
DTC B2780  PUSH SWITCH/KEY UNLOCK WARNING SWITCH MALFUNCTION
DTC B2784  ANTENNA COIL OPEN/SHORT
DTC B2793  TRANSPONDER CHIP MALFUNCTION
DTC B2794  UNMATCHED ENCRYPTION CODE
DTC B2795  UNMATCHED KEY CODE
DTC B2796, DTC B2798  NO COMMUNICATION IN IMMOBILISER SYSTEM
DTC B2797  COMMUNICATION MALFUNCTION NO.1
DTC B2799/99  ENGINE IMMOBILISER SYSTEM MALFUNCTION
  1. TRANSPONDER KEY ECU DIAGNOSTIC TROUBLE CODE CHART 
    Fig 1: Transponder Key ECU Diagnostic Trouble Code Chart
    G01437442Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. ECM DIAGNOSTIC TROUBLE CODE CHART 
    NOTE: The DTCs for the Immobilizer system are specified above. If the other codes are output, check the DTC chart for the engine control system.
    Fig 2: ECM Diagnostic Trouble Code Chart
    G01437443Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002