NHTSA ID Number: 10044779
Manufacturer Communication Number: ITS-4932
TSB/Document Date: 2012-07-27
Summary
NEW FLYER
: PROCEDURAL INFORMATION IS BEING PROVIDED REGARDING THE CIRCUIT BOARD COVER FOR ULTRA CAPACITOR (UCAP). MODELS 35FT, GAS, ELEC, LOW FLOOR. NO MODEL YEARS LISTED. *PE
SB-10044779-3069
Page 1 of 14
THIS DOCUMENT AND THE CONTENTS DISCUSSED HEREIN ARE THE CONFIDENTIAL AND
PROPRIETARY INFORMATION OF NEW FLYER INDUSTRIES CANADA ULC AND NEW FLYER
OF AMERICA INC. AND ARE DISCLOSED BY NEW FLYER IN CONFIDENCE.
THIS
DOCUMENT AND THE CONTENTS HEREIN ARE NOT TO BE DISCLOSED BY THE INTENDED
RECIPIENT WITHOUT THE PRIOR WRITTEN AUTHORIZATION OF NEW FLYER. ANY
UNAUTHORIZED DISCLOSURE, REPRODUCTION OR OTHER DISTRIBUTION OF THIS
DOCUMENT OR INFORMATION IS STRICTLY PROHIBITED AND MAY RESULT IN ACTION
BEING TAKEN AGAINST THE PARTY MAKING THE UNAUTHORIZED DISCLOSURE. THIS
DOCUMENT AND ALL COPIES HEREOF MUST BE RETURNED TO NEW FLYER UPON
REQUEST.
INSTRUCTION TO SERVICE
SECTION:
MODEL:
ITS:
WRITTEN BY:
TYPE:
221
30FT
35FT
40FT
60FT
HIGH FLOOR
Propulsion
System
DSL
GAS
LNG
ELEC
LOW FLOOR
4932
Shaun Cardinal
OBJECTIVE/SUBJECT:
Ultra Capacitor (UCAP) Circuit Board Cover
PROCEDURE:
COACH PREPARATION
1. Ensure the coach is parked on a flat surface with the park brake engaged.
2. Ensure the main battery disconnect switch is turned to the “OFF” position.
WARNING: ALWAYS discharge the Ultra Capacitors before performing high voltage
system maintenance on this vehicle. Refer to Section 5 of the Service
manual under 2.17 Discharging The Ultra Capacitors for the discharge
procedure.
Page 2 of 14
ITS:
UCAP PREPARATION
3. Remove Ultra Capacitor tie down straps. See Fig 1
Figure 1: Ultra Capacitor
4932
Page 3 of 14
ITS:
4932
4. Remove perimeter hardware on the UCAP cover to access capacitor assembly and circuit
board, disconnect fire suppression harness from bottle. Fig 2
Perimeter Hardware
Fire Suppression Harness
Figure 2: Unmodified Ultra Capacitor
5. Using compressed air, blow out any debris and moisture inside the UCAP assembly. Fig 3
6. Clean all contacts inside the UCAP assembly using electrical contact cleaner. Ensure the
street side support structure is cleaned thoroughly to provide a good ground. Blow off with air
one more time to ensure all debris is out. Fig 3
Figure 3: Capacitor Prep
Page 4 of 14
ITS:
4932
CIRCUIT BOARD ASSEMBLY
7. Begin removing harnesses from the circuit board, ensure that after the harnesses are
modified, they are plugged into the same connection points. Fig 4 and 5
Relay’s
HV Cable
Temp sensor harness
Figure 4: Circuit Board Overall
Circuit Board
Temp sensor harness
Figure 5: Circuit Board Detail
Page 5 of 14
ITS:
4932
8. Remove EVCU/RDU. See Fig 6
Removed EVCU/RDU
Figure 6: Removed EVCU/RDU
9. Remove circuit board by unscrewing connections on rear face of UCAP box (both connection
sides). See Fig 7.
Removed hardware for
circuit board
Figure 7: Removed Hardware
Page 6 of 14
ITS:
4932
10. Remove P-Clamp that holds the high voltage cable to the bottom of the UCAP box, remove
the stud by unscrewing it. If stud is seized, cut off flush to the bottom of the box. See Fig 8
Remove clamp and
stud
Figure 8: Clamped HV Cable
11. Remove the cable tie holding the relay harness to the board by removing the hardware
securing it. Refasten the hardware after removing the tie. See Fig 9 and 10
Secured harness
Figure 9: Secured Harness
Page 7 of 14
ITS:
4932
Harness removed and
fastener re-installed
Figure 10: Secured Harness Removed
12. Using the LF-MT-2001 drill jig, drill out the holes to secure the circuit board cover. Clean out
any debris left inside the box (potential for short circuits/faults). Ensure locating surfaces of
the jig are free of silicone/debris. See Fig 11.
Figure 11: LF-MT-2001 Drill Jig Location Reference
Page 8 of 14
ITS:
4932
13. Reconfigure the circuit board harnesses per Fig 12, 13, 14, and 15 following New Flyer
Engineering Drawings (for harnesses) 470600, 469480, 470801, and 470846.
Figure 12: UCAP Circuit Board Harness Reference 470600
Figure 13: UCAP Relay Harness Reference 469480
Page 9 of 14
ITS:
4932
Figure 14: Temp Sensor Harness Re-pinned Reference 470801
Figure 15: Temp Sensor Jumper Harness Reference 470846
14. Install circuit board harness (Ref 470600, Fig 12), re-pinned temp sensor harness (Ref
470801, Fig 14), and Temp Sensor Jumper Harness (Ref 470846, Fig 15) on circuit board
cover door (468996) per Fig 16.
Page 10 of 14
ITS:
UCAP circuit board
harness
4932
Relay
Harness
Grounds
Re-pinned temp sensor
harness
Figure 16: Harnesses on door Reference 468680
15. Re-install circuit board by reversing actions in Step 9.
16. Add rubatex seal 5964906 around mating face of the cover assembly to the UCAP box (front
and bottom. Fig 17
Seal bottom
Seal around perimeter
Figure 17: Installed Cover
Page 11 of 14
ITS:
4932
17. Add rubatex seal 5964906 around mating face of the cover door and cover assembly. Fig 18
Seal around all mating
surfaces
Figure 18: Cover Door Prep
18. Install circuit board cover assembly, seal around perimeter of box with silicone to ensure no
water gets between circuit board cover assembly and UCAP box (that may trickle onto the
board). Plug in all harnesses outlined in Step 14 into the circuit board and fasten door to
cover assembly with 10-24UNC hardware. Ensure there are no voids that could allow water
to intrude. Fig 19
Page 12 of 14
ITS:
4932
Seal around all mating
surfaces w/ silicone
Figure 19: Cover Door Install
19. Install new Relay Harness 469480 (see Fig 13) and Temp Sensor Jumper Harness 470846
(see Fig 15) and tywrap fan temp sensors to fan temp sensor bracket per Fig 19. Fasten with
¼-20 UNC Ny-Lock nut, and 10-24 UNC hardware
Figure 20: Installed Cover
20. Re-Install UCAP cover and modified air intake system per ITS-4557.
Page 13 of 14
ITS:
4932
LABOUR ESTIMATE
Operation
1
UCAP Circuit Board Cover Install
Men
Hours
1
2
Labour Time
M X HR
2
PARTS REQUIRED
Description
Qty.
per
Coach
.5
Units
Item
Part Number
1
401722
SEALANT-PROFLEX CLEAR
2
5957793
SEAL, RUBATEX 1”W X .06”THK
12
FT
3
N/A
CLEANER-ELEC CONTACT
2
EA
Notes
EA
Carmenita
Truck
center part
# is 91843
CLEANER-RUBBING ALCOHOL
.5
EA
162459
KIT-3CCT SHR DT GY
8
EA
6
- 💯【Conta.ct us for Support Directly】If you met any...
- 🔥🔥🔥【2026 AUTEL FLAGSHIP MK900BT MK900-BT, NEW...
- 🚗【3000+ ACTIVE TESTS (50➡3000+), SAME AS MS...
- 🚗【40+ HOT SERVICES FOR 150 MAKES (28+➡40+)】Full...
- 🚗【OE ALL SYSTEM DIAGNOSE, AUTO SCAN 2.0: SCAN LICENSE...
- 【TURN OFF CEL】 This AL319 car scanner diagnostic tool...
- 【EXTENSIVE APPLICATION】 Autel AL319 Compatible with...
- 【FOR END USER & DIYERS】 This error code reader AL319 is...
- 【USER-FRIENDLY DESIGN】 This OBD2 scanner and check...
- 【HIGH-QUALITY SERVICES】 12 months war.ranty from the...
Last update on 2026-06-23 / Affiliate links / Images from Amazon Product Advertising API
If the PDF is very large, it may not load in the preview below.
Some older TSBs had multiple PDFs — visit the NHTSA Website to view all PDFs.
If the TSB PDF does not show, download or view it on the NHTSA Website.
Click on the (+) Plus Sign
Then Click on Associated Document(s)
Search NHTSA Database for Recalls
Search NHTSA Database for Vehicle Investigations
View Latest Vehicle Investigations
Search NHTSA Database for Vehicle Complaints
View Latest Vehicle Complaints
TSB/Document ID: ITS-4932
Replacement Service Bulletin Number:
MFR Communication Date: 2012-07-27
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT ADAPTIVE/MOBILITY
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
- 2026 ALL-IN-ONE HEAVY DUTY TRUCK SCANNER – BUILT FOR DIESEL DIAGNOSTICS：The ANCEL X7HD PRO combines full-system diagnostics, bi-directional control, ECU coding, HDOBD/OBD2 functions, and 42+ reset services in one powerful heavy duty truck scanner. This diesel scan tool helps technicians, fleet owners, and repair shops diagnose problems faster, reduce downtime, and complete more repairs without switching between multiple truck diagnostic tools. Features a 10.1" Android tablet, Bluetooth & Wi-Fi, live data graphing, and 2 years of f-ree updates
- 42+ RESET FUNCTIONS – MORE THAN A BASIC TRUCK CODE READER：Perform essential service functions including forced DPF regeneration, injector coding, speed limiter adjustment, idle adjustment, oil reset, ABS reset, SRS reset, EPB reset, throttle reset, and suspension calibration. Designed for real truck maintenance and fleet service, this commercial truck diagnostic scanner helps reduce dealer visits, avoid unnecessary downtime, and handle more repair jobs with one diesel diagnostic tool
- ACTIVE TEST & ECU CODING – ADVANCED BIDIRECTIONAL SCAN TOOL FOR TRUCKS：Quickly locate faults by activating components and sending commands directly to vehicle systems. Test injectors, ABS, throttle, cooling systems, and other modules in real time without unnecessary disassembly. ECU coding and module matching help adapt replacement parts, restore factory settings, and reduce repeat repairs, making this semi truck scan tool ideal for advanced troubleshooting and daily shop work
- FULL-SYSTEM HDOBD/OBD2 DIAGNOSTICS – WIDE TRUCK & ENGINE COVERAGE：Read and clear codes, monitor live data, freeze frame, and diagnose engine, transmission, ABS, body, and other major systems. Compatible with Freightliner
, Kenworth, Peterbilt, Volvo, Mack, International, and other commercial truck brands, plus Cummins, Caterpillar, Detroit, Paccar, and Navistar diesel engines. Also supports full OBD2/EOBD diagnostics for standard vehicles, making it a versatile truck obd2 scanner for mixed fleets and repair shops - PROFESSIONAL HARDWARE + RELIABLE SUPPORT – BUILT FOR DAILY SHOP USE：This professional diesel diagnostic computer features a 10.1" touchscreen, Android 10.0 system, 6000mAh battery, Bluetooth/Wi-Fi connectivity, and built-in front & rear cameras for documenting repairs and remote troubleshooting. Includes 2 years of fr-ee updates, 1-year w-arranty, and responsive technical support. Contact [email protected] before purchase to confirm compatibility and supported functions for your truck or diesel engine
- 【Built for Heavy Duty Diesel Diagnostics】Designed for SAE J1939 and J1708 compliant trucks, buses, and diesel-powered commercial vehicles. HD601 truck scanner diagnostic tool helps owner-operators, small fleets, mobile technicians, and independent repair shops quickly identify fault codes, view live data, and make informed repair decisions—saving time, reducing downtime, and avoiding unnecessary shop visits
- 【Full System Diagnostics+All HD OBD Modes】The New HD601 heavy duty truck scanner delivers full-system diagnostics on SAE J1939 and J1708-compliant commercial vehicles—digging into engine, transmission, ABS, fuel, every system that keeps your rig rolling. It supports all HD OBD modes, giving you live data, freeze frame, ECU info, vehicle info, emissions data tracking, plus code reading and clearing. Not just what broke, but why—so you fix it right the first time. Pinpoint issues faster, cut repair costs, and spend less time on the shoulder
- 【Wide Heavy-Duty Vehicle Coverage】Supports a wide range of heavy-duty vehicle manufacturers and systems, including Freightliner, Kenworth, Peterbilt, Volvo, International, Detroit, Cummins, Paccar, Allison, Eaton, Bendix, Wabco, and more. Coverage varies by vehicle make, model, year, and system configuration. Contact our support team before purchase if compatibility verification is needed
- 【Speaks Major Truck Protocol】The New HD601 diesel truck scanner is built for American-made trucks—and supports the heavy‑duty protocols you' re most likely to run into on the road: SAE J1939, J1708/J1587, ISO 15765‑4, ISO 14230‑4, ISO 9141‑2, J1850 PWM/VPW, ISO 27145‑4, and EURO‑6. For most trucks, model years, and systems, it speaks the language your vehicle understands. Just plug it in and start diagnosing—no guesswork, no gatekeeping. Note: vehicle functions and module availability may vary by manufacturer and model year
- 【Save Hundreds on Diagnostic Fees】Why pay $150–300 for someone to read your codes? With the New ANCEL heavy duty truck scanner, you can pull fault codes yourself—in minutes, without leaving the truck. One or two uses pays for the tool. After that, every diagnostic is money back in your pocket. Smart investment for owner-operators, techs, and small fleets. Read and clear stored fault codes in minutes. Active fault codes may require repairs before they can be cleared
- 【One Tool, Total Fleet Coverage: 6/9/16 Pin Ready】Featuring an integrated 16-pin OBD2 connector and professional-grade 6-pin & 9-pin adapters, this heavy duty truck scanner provides extensive support for J1939, J1708, J1587, ISO 14230-4, ISO 15765-4 and ISO 9141-2, ISO 27145-4 protocols. It offers reliable diagnostic coverage for major American diesel brands—including Cummins, Paccar, Caterpillar, Detroit, and Freightliner—making it a versatile semi truck scanner for managing any diverse fleet.
- 【2 in 1 Diesel Code Reader & Advanced HD OBDII】Equipped with professional-grade diesel scanner capabilities, the HD301 features intuitive Read/Erase codes and turn off the "Check Engine" light. With the built-in DTC Lookup library, you can instantly access fault code definitions on-device without searching the internet. It also retrieves hundreds of essential live sensor data—such as coolant temperature, fuel pressure, and engine RPM—in a stable text format for precise and rapid troubleshooting. (Please note that the HD301 can not support DPF Regen.)
- 【Full System Truck Diagnostic】The FOXWELL HD301 heavy duty scan tool is engineered to deeply access and scan all available electronic control modules specifically for truck, including Engine, Transmission, ABS, SRS, Chassis, and Body Control. This professional truck scanner diagnostic tool allows you to identify issues across the entire vehicle, ensuring your rig stays in peak condition for the long haul.
- 【Versatile for most big Rigs: Commercial, Passenger & Beyond】Engineered for more than just trucks, this heavy duty scan tool offers extensive coverage for pickups, buses, trailers, and even marine vessels. From construction machinery (excavators, loaders) to agricultural equipment (tractors, harvesters), it provides a true all-in-one diagnostic solution.
- 【Plug-and-Play & No Subscription】Designed for the road! No WiFi, no batteries, and no complex App setup required. Simply plug it into your vehicle’s diagnostic port to start scanning immediately. Enjoy lifetime free software updates to keep your HD301 diesel truck scanner current with the latest vehicle models and features—without any hidden subscription fees—While overcoming language barriers with support for Spanish and English.
Last update on 2026-06-23 / Affiliate links / Images from Amazon Product Advertising API
This product presentation was made with AAWP plugin.