TT 80 13 01_ss3

Technical Tips
Technical Tip
Topic
80-13-01TT – Blower Motor Fault Diagnosis
Market area
United States 444 Volkswagen of America, Inc. (6444)
Brand
Volkswagen
Date
October 5, 2018
Condition
ATTENTION:
THIS IS A TECH TIP, NOT A TECHNICAL BULLETIN.
TECH TIPS ARE NOT ASSOCIATED WITH WARRANTY CLAIMING.
Blower Motor Fault Diagnosis
Model(s)
Year
Eng. Code
Trans. Code
VIN Range From
VIN Range To
Passat
2012-2014
All
All
All
All
Tiguan
2008-2017
All
All
All
All
Technical Background
If the vehicle comes in with a blower concern, check for DTCs. If DTCs are found, use the table below to diagnose the
concern. Use figures 1 and 2 below for component reference.
Service
DTC and Fault Description
B10BE07 – Overloaded or
Blocked Motor
B10BE96 - Four failure
modes: current limit,
open/short to batt (+), short
or blocked motor, internal
error
Cause
Blocked motor, fan blade separated from motor, fan blade rubbing housing,
blower control module (J126) faulty, blower motor open circuit
1. Check physical condition of blower
2. Ensure 2-pin connector is making proper contact
3. Swap blower control module -J126- if available
“Diag" wire is no longer able to send the digital (Square wave) back to the A/C
control head. Check SC Fuse/power supply for loose pins or open Fuse:
- Power & Ground wiring to (T6t) connector (in general)
B10A115 - Diag circuit
open/short to B+
-
(T10a) connector soft set/not plugged in or loose terminal
-
(T6t) connector soft set/not plugged in or loose terminal
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Technical Tips
Figure 1
Figure 2
Additional Information
Revision History
Revision Number
Released Date
Reason For Update
2035296/4
10/5/18
Update to include an additional
model.
2035296/3
7/19/17
Update to latest standard.
2035296/2
2/14/14
Update to information.
2035296/1
9/13/13
Original publication.
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