Symptom Chart

SYMPTOM	POSSIBLE CAUSES	ACTION
DTC B11DB-87 set in Gateway Module	Gateway Module connections insecure Battery monitoring sensor	Using the Jaguar Land Rover approved diagnostic equipment, refer to the 'Auto Stop-Start System' guided diagnostic To navigate to the guided diagnostic select - 'Guided Diagnostics'/'Powertrain'/'Engine'/'Auto Stop-Start system'
Battery power to vehicle interrupted	High resistance between battery terminals and clamps	Refer to the Battery Diagnostics instructions for the Midtronics GRX-3080/EXP-1080/GR8-1180 Diagnostic Battery Chargers in this article BATTERY DIAGNOSTICS - 12 VOLT MIDTRONICS EXP-1080 JLR HAND-HELD BATTERY DIAGNOSTIC TOOL , BATTERY DIAGNOSTICS - 12 VOLT MIDTRONICS GRX-3080 JLR DIAGNOSTIC BATTERY CHARGER , and BATTERY DIAGNOSTICS - 12 VOLT MIDTRONICS GR8-1180 JLR DIAGNOSTIC BATTERY CHARGER .