SRS indicator lamp lights up and fault code 90A6 stored in the restraint systems control unit - AF91.60-P-2006A

MODEL 203, 209 in combination with DAS version 07/2005 

OPERATION NO. OF OPERATION TEXTS OR STANDARD TEXTS AND FLAT RATES

Category	Op. no.	Operation text
P	541011	Perform quick test
P	540992	Code control unit: .................... (after quick test)

Damage code	Cause	Remedy
82 345 73	Faulty communication between the restraint systems control unit (N2/7) and front passenger seat occupied and child seat recognition sensor (B48).	Should other fault codes be stored, process them first and then recode the restraint systems control unit.
	SRS indicator lamp lights up, fault code 90A6 and no further faults stored in the restraint systems control unit.	Replacing the restraint systems control unit or front passenger seat occupied and child seat recognition sensor does not provide the solution
	Fault code 90A6 can occur on the system selftest. The following part numbers of the front passenger seat occupied and child seat recognition sensor (B48) are affected:	1 Recode restraint systems control unit (N2/7).
	A 203 870 37 10 A 203 870 38 10 A 203 870 39 10	For this purpose a software update is required for the DAS [Diagnosis Assistance System] version 07/2005. The download package (2005-07-19-0432) is available under the following Internet address: http://stardiagnosis.daimlerchrysler.com  As of DAS version 08/2005 the software has been changed and the restraint systems control unit detects the front passenger seat occupied and child seat recognition sensor installed. After the download the following procedures must be carried out: Connect DAS. Call up "airbag control unit" Select "control unit adaptations" Select "read coding and change if necessary" Start "checking the seat mat components" Follow further instructions in DAS