- Battery / On-board electrical system
- CAN Communication
- Automatic transmission Function
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Test 1: Check alternator.
1. Check alternator.
Note on alternator testDepending on the engine variant, different alternators are installed.
- Alternators without networking
- Alternators networked with engine control unit
Networked alternators can be diagnosed via the engine control unit.Detailed information on alternator testing can be found in WIS.Press button F2 to
go to WIS documents
1. No further information available.
E0602
Control module Y3/8n4 (Fully integrated transmission control (VGS) control unit) is not coded.
Possible cause:
- Coding error.
Affected functions:
- Automatic transmission Function
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Test 1: Remedial action for non-coded control unit Y3/8n4 (Fully integrated transmission control (VGS) control unit)
1. Remedial action for non-coded control unit Y3/8n4 (Fully integrated transmission control (VGS) control unit)
Operation number of operation texts and work units or standard texts and flat rates:27-0641POSSIBLE CAUSES
- SCN coding for control unit Y3/8n4 (Fully integrated transmission control (VGS) control unit) was not performed.
- The coding data were not or were not completely transferred to the memory of control unit Y3/8n4 (Fully integrated transmission control
(VGS) control unit).
REMEDY
- Repeat SCN variant coding.
NOTEIf repeated attempts at SCN coding were not successful, please notify the Hotline. Continue with button "F2"
Warning!Communication with ECU required.
E1644
The variant coding of component Y3/8n4 (Fully integrated transmission control (VGS) control unit) is implausible or no coding.
Possible cause:
- Invalid control module version
Affected functions:
- Automatic transmission Function
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Test 1: Remedial action for implausible control unit variant
1. Remedial action for implausible control unit variant
Operation number of operation texts and work units or standard texts and flat rates:27-0641POSSIBLE CAUSES
