NHTSA ID Number: 10044619
Manufacturer Communication Number: CIV-12-06
TSB/Document Date: 2012-07-18
Summary
CIVIC: A POSSIBILITY THE REPLACEMENT PARTS USED FOR SRS WERE INCORRECTLY INSTALLED. *PE
SB-10044619-4260
Wrong SRS Replacement Parts Can Cause SRS DTCs 41-xx
thru 46-xx
Currently Applies To: ’12 Civic Sedan, ’12 Civic Sedan Si, and ’11 CR-V
EDITOR’S NOTE: This article replaces “SRS DTCs 41-xx, 42-xx, 43-xx, 44-xx, 45-xx, or 46-xx After Body Repair,”
issued in April 2012.
Got a vehicle back from the body shop or just had some SRS parts replaced, and the SRS indicator is on with any
or all of these SRS DTCs?
• SRS DTC 41-xx (no signal from the left front impact sensor)
• SRS DTC 42-xx (no signal from the right front impact sensor)
• SRS DTC 43-xx (no signal from the left side impact sensor) (first)
• SRS DTC 44-xx (no signal from the right side impact sensor) (first)
• SRS DTC 45-xx (no signal from the left side impact sensor) (second)
• SRS DTC 46-xx (no signal from the right side impact sensor) (second)
Chances are, some wrong SRS replacement parts were installed.
At various times during production, we used both Continental
- and TRW-supplied parts. Although the wiring
harnesses and connectors are exactly the same, each supplier has a different way of sending signals between the
impact sensors and the SRS unit. This action doesn’t apply to Japan-built models or Civic Coupes. All Civic
Coupes come with Continental-supplied parts.
After a deployment, the SRS must be repaired with replacement parts from the same supplier that was originally
used in production. If those parts are mixed and matched on the same vehicle, you’ll wind up with this problem.
SRS Supplier Identification
To fix this problem, first you need to know which supplier’s SRS was originally installed on the vehicle you’re
working on. This chart tells you that:
Model
2012 Civic Sedan
Factory
Canada
Plant 1
Canada
Plant 2
2012 Civic Sedan Si
2012 Civic Sedan
Canada
Indiana
SRS Supplier
Start VIN
End VIN
2HGFB2...CH500001
2HGFB2...CH515145
2HGFB2...CH515146
2HGFB2...CH515685
2HGFB2...CH515686
End of production
2HGFB2...CH300001
2HGFB2...CH307902
2HGFB2...CH307903
2HGFB2...CH308442
2HGFB2...CH308443
End of production
2HGFB6ES.CH700001
2HGFB6ES.CH700071
2HGFB6ES.CH700072
2HGFB6ES.CH700161
2HGFB6ES.CH700162
End of production
19XFB2...CE000001
19XFB2...CE300001
19XFB....CE006019
19XFB....CE305214
19XFB2...CE006020
19XFB2...CE305215
19XFB2F5.CE010499
19XFB2F9.CE309845
(cont’d)
4 of 11
June 2012
Wrong SRS Replacement Parts Can Cause SRS DTCs 41-xx thru 46-xx (cont’d)
Model
2011 CR-V 2WD
2011 CR-V 4WD
Factory
Ohio
Ohio
SRS Supplier
Start VIN
End VIN
5J6RE3H..BL000001
5J6RE3H..BL043926
5J6RE3H..BL043927
Production date 9/20/11
(See doorjamb label)
Production date 9/20/11
(See doorjamb label)
End of production
(See doorjamb label)
5J6RE4H..BL000001
5J6RE4H..BL084051
5J6RE4H..BL084052
Production date 9/20/11
(See doorjamb label)
Production date 9/20/11
(See doorjamb label)
End of production
(See doorjamb label)
SRS Parts Identification
Continental and TRW SRS parts have physical differences that make them easy to tell apart.
SRS Unit
Continental units have a smooth housing. The barcode label doesn’t have a logo and it’s separate from the notice.
• TRW units are scalloped around the outside of the housing. The barcode label has the TRW logo and it’s
combined with the notice.
• The replacement part number for either unit is the first 11 characters of the 14-character model number on the
barcode label
(cont’d)
June 2012
5 of 11
Wrong SRS Replacement Parts Can Cause SRS DTCs 41-xx thru 46-xx (cont’d)
Front and Side Impact Sensors
• The flat side of a Continental impact sensor is black.
• The flat side of a TRW impact sensor is white.
• Neither sensor has a logo.
• TRW impact sensors have three angular braces next to the mounting bolt hole.
• The replacement part number for either sensor is the first 11 characters of the 14-character model number on
the barcode label.
(cont’d)
6 of 11
June 2012
Wrong SRS Replacement Parts Can Cause SRS DTCs 41-xx thru 46-xx (cont’d)
SRS Replacement Parts
Here are all of the SRS replacement parts and their part numbers, as they apply to each model:
Model
2012 Civic
2011 CR-V
Replacement Part
(From Parts Catalog Description)
Part Number
SRS Unit (Sedan)
77960-TR0-C01
SRS Unit (Coupe)
77960-TS8-A01
Bracket, R. SRS Sensor (w/Sensor)
77930-TS8-B11
Bracket, L. SRS Sensor (w/Sensor)
77930-TS8-B21
Sensor Assy., Side Impact (Sedan)
77970-T0A-J01
Sensor Assy., Side Impact (Coupe)
77970-TS8-A01
SRS Unit
77960-TR0-A01
Sensor Assy., Fr. Crash - RH
77930-TR0-B11
Sensor Assy., Fr. Crash - LH
77930-TR0-B21
Sensor Assy., Side Impact
77970-TR0-A11
SRS Unit
77960-SWA-L21
Sensor Assy., Fr. Crash
77930-SWA-E11
Sensor Assy., Side Impact
77930-SWA-E11
SRS Unit
77960-SWA-A22
Sensor Assy., Fr. Crash
77930-SWA-A11
Sensor Assy., Side Impact
77970-SWA-A11
Supplier
Continental
Once you’ve determined which supplier’s SRS the vehicle should have, then you need to find out if there are any
wrong parts installed. There are several ways you can do that, depending on the model and what’s still available
from the body shop that did the work.
• Replaced Parts Available: In this case, you can compare the barcode labels on the replaced parts to the SRS
Replacement Parts chart in this article.
• Body Shop RO or Parts Ordering Paperwork Available: In this case, you can compare the part numbers that
were ordered to the SRS Replacement Parts chart.
• No Replacement Parts or Shop Paperwork Available: In this case, you’ll need to inspect the SRS unit and
impact sensors, and compare them to the SRS Parts Identification photos and the SRS Replacement Parts
chart in this article. To help save you time, use the set DTCs to focus your inspection. For example, if DTC 41-xx
is set, start with the left front impact sensor.
NOTE: If you’re working on a Civic, the HDS can tell you which supplier’s SRS unit is installed. Just go to SRS
Data List, and scroll down to ECU MAKER. You’ll see either CONTINENTAL or TRW. Keep in mind, no part
number is shown, just the maker.
(cont’d)
June 2012
7 of 11
Wrong SRS Replacement Parts Can Cause SRS DTCs 41-xx thru 46-xx (cont’d)
If you find any wrong parts, replace them with the right ones based on the SRS Replacement Parts chart. When
you’re done, clear the DTCs, and if needed, initialize the ODS unit. In the unlikely event that all the right parts were
installed, continue with normal DTC troubleshooting. A bad sensor, wiring, or SRS unit can also set those DTCs.
Prevention Tips
The best way to keep this problem from happening is for the body shop to order the right replacement parts. The
SRS Supplier Identification chart says which supplier’s SRS the vehicle should have. The SRS Replacement
Parts chart gives accurate parts ordering info.
For More Info
To learn more about this, be sure to check out self-study module RSC26, Restraint System Repair Procedures, in
the dealer’s Online University. You’ll also find some good guidance in the February 2012 ServiceNews article
“SRS Indicator On, but Can’t Read Any DTCs? Read This,” and the Tech2Tech segment “Turning Off the SRS
Indicator When the Body Shop Can’t.” And just so you know, we’ve got a new segment coming your way that
covers the material in this article. So, keep checking online.
Back Window Driver’s Side Run Channel Rolls Under? Try
This Fix
Currently Applies To: ’09–12 Ridgeline
When closing the back window middle glass, does the outer lip of the driver’s side run channel roll under, like this?
(cont’d)
8 of 11
June 2012
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TSB/Document ID: CIV-12-06
Replacement Service Bulletin Number:
MFR Communication Date: 2012-06-01
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: AIR BAGS
MFR Component System:
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