Saturday, August 8, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

Acura CL 1997technical service bulletin

Bulletin 99030 · NHTSA communication 610264 · issued Jul 6, 1999

Technical service bulletin
communication type
Power Train
component
1997
model years
1
vehicle entries

Official summary

Some vehicles may exhibit a d4 light that blinks intermittetly while driving and the tachometer needle fluctuates due to an error in the transmission control module. *tt

Vehicles covered

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.