LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Land Rover
>>
2021
>>
Defender 110
>>
Repair and Diagnosis
>>
General Information
>>
Specifications Index
>>
Diagnostic Trouble Code Index DTC: Tow Bar Control Module (TBM) -- Defender/L663
>>
Diagnostic Trouble Code Index - DTC: Tow Bar Control Module (TBM) (G2400887)
>>
Description And Operation
>>
Tow Bar Control Module (TBM)
>>
DTC B1556-23: Deployable Side Step Button - Signal stuck low
>>
Action
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
DTC B1556-23: Deployable Side Step Button - Signal stuck low: Action
Refer to the electrical circuit diagrams and check the deployable side step switch circuit for short circuit to ground