Time for service and failure codes on glow plugs
New 9-5 (650) with diesel engine A20 DTH (LBS) and A20DTR (LBY)
DTC
P0399
P039C
P039D
P03A3
P03A6
P03A7
P03AD
P03B0
P03B1
P03B7
P03B7 00
P03BA
P03BA 01
P03BB
P1325 04
Action:
Do not replace the glow plugs.
There is a new software for the ECM (engine control module). See attached Technical Advice.