2010 Volvo S80 AWD L6-3.0L Turbo VIN 99 B6304T2 Page 1
Vehicle: All Technical Service Bulletins
Charging System - Prior Approval For Alternator Replacement
Technical Journal
TITLE:
Prior Approval for alternator replacement (regulator
replacement recommended)
CAR MARKET:
United States and Canada
ISSUING DEPARTMENT:
Technical Service
REF NO:
TJ 26897
ISSUE DATE:
YEAR
2013
MONTH
03
DAY
07
PARTNER:
3 US 7510 Volvo Cars North America
FUNC DESC:
Alternator, complete
FUNC GROUP:
3211
"Fixed Right - First Time"
Attachment
2010 Volvo S80 AWD L6-3.0L Turbo VIN 99 B6304T2 Page 2
Vehicle Type
CSC Customer Symptom Codes
DTC Diagnostic Trouble Codes
Text
DESCRIPTION:
The majority of replaced alternators have had no faults with the alternator itself. As stated in VIDA, replacing only the voltage regulator
(ACM, Alternator Control Module) is the recommended repair for
an alternator that is not charging correctly.
With this TJ, Volvo Cars of North America (VCNA) is applying its prior approval process for alternator replacement claims submitted on all P1, P2 and P3 vehicles.
Starting with repair order dates on or after March 8th, 2013, the Prior Approval Department must be contacted for authorization codes for
2010 Volvo S80 AWD L6-3.0L Turbo VIN 99 B6304T2 Page 3
any failure of the following alternators.
Part numbers:
- 36000209
- 36000210
- 36050263
- 36050266
- 36000791
- 36001463
- 36001497
- 36001341
The voltage regulator (ACM, Alternator Control Module) does not require Prior Approval.
Additional fault tracing information:
Charging voltage: Normal charging voltage can vary depending on many factors such as battery state of charge, battery temperature, electrical loads, etc The normal range is 13.5-14.8V with an average of 14.2V. In VIDA, "Quick test of alternator function" can be found in Fault tracing->Symptom Related Diagnostic Procedures->372.
Voltage drop:
The total charging system voltage drop should be less than 0.7V. This is a sum of two measurements:
- Voltage drop from the alternator housing to the negative battery post.
- Voltage drop from the alternator B+ terminal to the positive battery post.
LIN (Local Interconnect Network):
- The normal LIN voltage is 7-11V.
- Voltage will be high (close to battery voltage) if the circuit is open.
- Voltage will be low (close to 0) if the circuit is shorted to ground.
- Further LIN information can be found in VIDA: Information->Product Specifications->Design and Function->37 Cables and fuses->LIN - Local Interconnect Network
- Detailed LIN information including the attached tip sheet is found in Volvo Cars Performance Academy Course 1367 - LIN Diagnostics
DTCs:
One or more of the above DTCs may be set when there is a fault in the charging system.
VSTG OPERATION NUMBER:
32205 Charge regulator replace See VSTG
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