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Volvo 240 1975–2019technical service bulletin

Bulletin TJ31946.1.2-2019 · NHTSA communication 10169394 · issued Nov 19, 2019

Technical service bulletin
communication type
Electrical System
component
1975–2019
model years
60
vehicle entries

Official summary

This is a Technical Journal: Swapping control modules from vehicle to vehicle for diagnostics should be avoided. Swapping control modules may result in consequential damage to the swapped control module and in certain cases several other control modules in the vehicle. Swapping the Driver Information Module (DIM) is strictly forbidden as the DIM it is the main carrier of the odometer function, and will, in case of swapping, result in manipulated odometer value. Service: Please do NOT swap any control modules from vehicle to vehicle for testing, unless instructed to do so in a Vehicle Report by

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.