LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Land Rover
>>
2017
>>
Discovery SE
>>
Repair and Diagnosis
>>
Quick Lookups
>>
DTC Index
>>
Diagnostic Trouble Code Index DTC: HVAC Control Module (HVAC) -- Discovery/L462
>>
Diagnostic Trouble Code Index DTC: HVAC Control Module (HVAC)
>>
Description And Operation
>>
DTC B1D29-93: No Start, Even After Restart Attempt - No operation
>>
Possible Causes
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Possible Causes
Fuel fired booster heater fuel pipe restricted or leaking
Fuel fired booster heater exhaust restricted following driving through deep water or extreme off road driving
Fuel fired booster heater internal failure