Web2. ABS modulator valve. Change ELECTRONIC if fault occurence repeats without brake squeezing. endstream To obtain blink codes using ignition power activation, perform the following procedure: For ignition power activation, power is provided by the ignition switch. stream Type of Fault. <> 1st Digit. Action Required. Web1 12 5 + 2 frequency too high 12;15/18 12;15/18 7..8/x2 WL ABS: wheel disabled ASR, RSC, RSA: disabled non plausible sensor frequency measured. WITH SUBARU SELECT MONITOR 31 Inlet valve, outlet valve in hydraulic control unit Front inlet valve RH > It is generally applicable to trailers sold in the US market after March 2001. /Contents 6 0 R HWIsFW=%@~di*3&""PP!LOb~-}~5Puu?,L4"UyX8c$s"[*+l*5VM'p h;tM05cqg:Uz/MX%; b|10Lr_rom`]43mLzj$(IyMyc[UGRAA[uy5r}+UOV K7sA` K$ e_D++ztF[kQ6 stream See above diagram for more detail. When a fault occurs, the ECU stores the code for that fault in its memory. x]0~ WebWABCO ABS Maintenance Manual Anti-lock braking system (abs) and electronic stability controls (esc): for e version ecus 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 endstream endobj 524 0 obj <>stream When a fault occurs, the ECU stores the code for that fault in the memory. endstream endobj 26 0 obj <>stream /ProcSet [/PDF /Text] /Parent 1 0 R <>/Metadata 7104 0 R/ViewerPreferences 7105 0 R>> No action needed. 1 0 obj << endstream endobj The MUTT provides a quick method to trigger ABS blink codes without a tractor Action Required. endobj Check ABS modulator valve, valve cable, and connectors. endobj Web (ABS) for Trucks, Tractors and Buses is available in electronic format on the WABCO website (wabco-na.com). 750 750 750 750 750 750 750 750 /Type /Page Stored faults are faults that have occurred but do not presently exist. Repair or replace as needed, Check for proper data link connection (J1922 and J1939), Check ATC Valve, valve cables, and connectors, Verify 7 to 14 ohms resistance for a 12-volt system, 28-49 ohms resistance for a 24-volt system, Verify blink code switch was activated longer than 16 seconds, Verify accuracy of blink code and clear from ECU memory, Check vehicle voltage, fuse, and supply to ECU (9.5-14 volts), Check vehicle voltage (9.5-14 volts for a 12-volt system, 18-30 volts for a 24-volt system), If code does not clear, it may be necessary to replace the ECU. Check vehicle voltage, fuse, and supply to ECU (9. 750 750 750 750 750 750 750 750 g=oK\I&&NC Qsid~(lVqX#-ha{X=eM_vwhKB|[" Rza6N"r'|hXg`tu=RANV mM mUhDcf5fz' Please feel free to share with anyone else you know who frequently services WABCO brakes. There are two kinds of faults: active and stored. This fault code will be displayed on the trailer ABS lamp when the proper access sequence is engaged. No action needed. 10 0 obj /F2 25 0 R 750 750 750 750 750 750 750 750 /FirstChar 32 WebDiagnostics Using Blink Codes 6 The WABCO Enhanced Easy-Stop Trailer ABS ECU detects any electrical fault in the trailer ABS. 750 750 750 750 750 750 750 750 >> Web (ABS) for Trucks, Tractors and Buses is available in electronic format on the WABCO website (wabco-na.com). Freightliner Business Class M2 Fault Codes List - ABS System Troubleshooting; Meritor WABCO Pneumatic Antilock Braking System (ABS) Table of DTCs; Meritor WABCO Hydraulic Antilock Braking System (ABS) Table of DTCs Skip to content Trucks Tractors Forklifts Excavators Loaders Engine & Transmission No action needed. /MediaBox [0 0 612 792 ] Weve compiled a list of the most commonly found WABCO fault codes. System O.K. endobj 1-6-6 2-6-6 4-6-6 Voltage Relay 1 Low voltage to the diagonal relay or defective relay. Right front steering axle. Access to database for fault code information 3. o]Z:;22 1} $1/7DE9gAQ]A bur\0"b_C#d;OB)\.K@h-(AAI 2nd Digit. endobj The warning lamp flashes a blink code for each fault that the ECU stores in its memory, enabling a technician to repair faults and erase them from ECU memory. <>stream /Parent 1 0 R ,DQH`!y(Q G'0"O`EyBw?cCX6,lcC};~oi6eWO$ /Kids [3 0 R 81 0 R 87 0 R 93 0 R 99 0 R ] WebWABCO ABS FAULT CODES https://truck-manuals.jimdo.com/wabco-fault-codes/ SID FMI Blink Code FAULT Universal pin/plug BASIC, pin/plug FRAME pin/plug Faultindication E-FRAME, E-Universal COMMENT (REACTION) Cause Action Wheel Sensor left front 0 1 3 + 2 air gap 12;15/18 12;15/18 7..8/x2 WL ABS: wheel disabled ASR, RSC, RSA: disabled There are two kinds of faults: active and stored. 750 750 750 750 750 750 750 750 /Type /XObject >> Check whether brake squeezes. When a fault occurs, the ECU stores the code for that fault in the memory. /F3 33 0 R /Length1 26560 WebWabco D Version Ecu Blink Code List - Abs 5-14 volts) Check vehicle voltage (9. J1587 (SID) J1587 (FMI) 10. Webdedicated ABS lamp on the driver side. System O.K. >> xx?~f-fwMo$&zMP$(XA *b, J]P"(g !{=I33g#"+'AfF"2Q{qk/dtL'b lQzdQzbCxFE}= #8@)?pUw1GM?m/OA* Z3UWp=\>j7NA%DiH]pg-}{Z~f%#h ?33ue4AgfvA? cJ?R1=@:qrP> E1RkY3RY!it@H^A$8 0 zs[ &A,KKi Sep Abs lamp on but no fault codes as in attached picture. 12 0 obj Each of the faults has a code. /MediaBox [0 0 612 792] WebWeve compiled a list of the most commonly found WABCO fault codes. /im1 69 0 R Repair Information. /Length 4366 WebBlink Code Diagnostics The Meritor WABCO Enhanced Easy-Stop Trailer ABS ECU detects any electrical fault in the trailer ABS. E1@uz`[R 9fQ/ !Wi x]oF ?J.|I9$wmHAq|\w/Hpy.zq^:>nW/v~b{^_WHT"NyTf,xY|w/8/:XT+nutCJ/_|e\#>[|gz3g ]70?_ ""Nr"!S~8xE\e8k/NXGI%67"Lt#|za^9`2p-V`}qt?+Z5tSUiG:f@\4Rw`qM*b97qB(9~XD(Eq. >> 5-14 volts for a 12 WebVerify blink code switch was activated longer than 16 seconds. 2-1. endstream endobj 521 0 obj <>/Metadata 29 0 R/Pages 518 0 R/StructTreeRoot 60 0 R/Type/Catalog/ViewerPreferences 532 0 R>> endobj 522 0 obj <>/MediaBox[0 0 720 405.12]/Parent 518 0 R/Resources<>/Font<>/Pattern<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]/XObject<>>>/Rotate 0/StructParents 0/Tabs/S/Type/Page>> endobj 523 0 obj <>stream Check sensor wiring and connectors for intermittent contact. Check vehicle voltage, fuse, and supply to ECU (9. /Contents 15 0 R Click Here to View Our Truck Manuals WABCO Fault Codes Below is an in-depth list of some of the most commonly encountered WABCO Fault Codes. It is assumed the constant power to the ABS is provided by the auxiliary (blue) wire in the harness. /Length 11 0 R WebFreightliner Business Class M2 Fault Codes List - ABS System Troubleshooting Meritor WABCO Pneumatic Antilock Braking System (ABS) Table of DTCs Left Front Wheel Sensor Troubleshooting (SID 001) MID SID FMI Problem Test Test Result Action 136 001 01 Incorrect sensor air gap 1. Replace relay if There are two ways to obtain blink codes: In previous versions of The Vario Compact system, the blink code tool and the ABS indicator lamp would flash the blink code at the same time. Webfor a list of the rst six digits of the fault codes with Meritor WABCO Pneumatic Antilock Braking System (ABS) 42.22 Troubleshooting for D-Version ABS L-Line and A-Line Workshop Manual, TRAILER ABS, or ANTI LOCK. 2. >> 876,f!I^Dd?!mKcC.O4xSuOs[-_`eN^[i[ ]3:GgF'q KQ+7o>F9k}LQQ@}y6QO~o`"}E>D 95\J3]yqHD._7^u/~# 750 610 556 556 277 277 610 333 /Type /Page 750 750 750 750 750 750 750 750 Check the AC voltage Please feel free to share with anyone else you know who frequently services WABCO brakes. Type of Fault. Looking for diagnostic software? hoo8_iqDZ!--TE J?-l[!Gr0)\&]}dT;1(`sbg"YE4tS(FJ8rh':YZX!hz.2=IU uyu y4{yG;*4wm[Q551j&QRha#y7la |YtZ2KhGOg,qmAA@K/eyA The WABCO Vario Compact II Trailer ABS ECU detects any electrical fault in the trailer ABS. xYSTU{}f) #"XY o!$-\\gqf,l4gi* Zi;>/X39;|{5X^]gWn+{|nc. Y|7]$e65P&!S(ZN{xQOi=KYm(r1reQn2CK]Tuku.!m;&D6K+*c+D_-9le Change ELECTRONIC if fault occurence repeats without brake squeezing. There are two kinds of faults: active and stored. /Filter /FlateDecode 13 0 obj >> WebIntroduction Introduction Le Code Reader ABS/EBS B-DH A101 est un appareil d'utilisation facile destin au diagnostic des systmes de freinage WABCO sur les remorques, les camions et les bus. Fault Code Blink Code Location Cause Solution 1-0-0 2-0-0 4-0-0 N/A No Faults. Web1 12 5 + 2 frequency too high 12;15/18 12;15/18 7..8/x2 WL ABS: wheel disabled ASR, RSC, RSA: disabled non plausible sensor frequency measured. Attached Files: 038530C1-E2D1-4D06-AFE9-F24C62E0C421.jpeg File size: 229 KB Views: 21. paramashchuk, Sep Click Here to View Our Truck Manuals WABCO Fault Codes Below is an in-depth list of some of the most commonly encountered WABCO Fault Codes. 750 750 750 750 750 750 750 750 Check sensor wiring and connectors for intermittent contact. 40 0 obj <>/Filter/FlateDecode/ID[<10A1E60521767052B7FDDD2BBA0CEC39><4DD67F73EA0DEE4DA31619175EC8B4C8>]/Index[22 31]/Info 21 0 R/Length 94/Prev 73247/Root 23 0 R/Size 53/Type/XRef/W[1 2 1]>>stream << /ToUnicode 13 0 R When a fault occurs, the ECU stores the code for that fault in the memory. WebWabco D Version Ecu Blink Code List - Abs 5-14 volts) Check vehicle voltage (9. }uN m0`"NL % Active faults are those currently existing in the system, such as a broken wire. The WABCO ABS/EBS Code Reader is the ideal tool for a quick and easy diagnostic job. Ignition Power Activation is the process of using the vehicles ignition switch (or interrupting the power on the blue wire by some other means) to display blink codes on the trailer ABS indicator lamp located on the side of the trailer. /FormType 1 for e version ecus, Manual will be automatically added to "My Manuals", Active Braking Valve on the ABS Valve Package, Electronic Stability Control (ESC) Module, Section 6: Wiring Diagrams and Connectors, SPN, SID, FMI Diagnostic Trouble Code List, Section 8: Appendix I Reconfiguration Procedure, Aftermarket Programming Failure Codes List, 3 Diagnostics, Troubleshooting and Testing, Page 8: Electronic Stability Control (Esc) Module, Page 10: Section 2: Stability And Safety Enhancement Systems, Page 13: Electronic Stability Control (Esc), Page 17: Section 3: Diagnostics, Troubleshooting And Testing, Page 21: Blink Code Diagnostics (Abs Only), Page 33: Active Braking Valves (Abv) Testing, Page 39: Steering Angle Sensor (Sas) Testing, Page 40: Cab Mount Ecu: Looking Into Wire Harness Connector, Page 43: Section 4: Component Replacement, Page 48: Active Braking Valve On The Abs Valve Package, Page 50: Steering Angle Sensor (Sas) - Wabco Only, Page 51: Electronic Stability Control (Esc) Module, Page 54: Section 5: System Configurations, Page 56: Section 6: Wiring Diagrams And Connectors, Page 69: Section 7: Spn, Sid, Fmi Fault Codes, Page 98: Section 8: Appendix I Reconfiguration Procedure, Page 108: E8 Esc End Of Line Calibration Procedure, Page 118: Aftermarket Programming Failure Codes List. Access to database for fault code information 3. Fault Description. <> Web2. endobj System O.K. 2004 KW T2000 Any ideas? endstream endobj startxref 2 0 obj Freightliner Business Class M2 Fault Codes List - ABS System Troubleshooting; Meritor WABCO Pneumatic Antilock Braking System (ABS) Table of DTCs; Meritor WABCO Hydraulic Antilock Braking System (ABS) Table of DTCs Skip to content Trucks Tractors Forklifts Excavators Loaders Engine & Transmission Fault Code Blink Code Location Cause Solution 1-0-0 2-0-0 4-0-0 N/A No Faults. Fault Description. /Parent 1 0 R The Meritor WABCO Electronic Control Unit (ECU) uses a pattern of light flashes called a blink code to identify specific problems, or faults, in the ABS. stream 1st Digit. !#3yq|Qn|u*:f *ZTbob\P"w?PS*U|?: xFK^F- *ikrEdT d%s$sa=ST&UDDBM`D'svzP?Zt%zzZw}U]o$^Sn%Dyz2{.`]2[V62BI+Ydl9kG!AV\ 4lNrZi}L,n;i3=.9^cb!k*\})@C <> d{Ro;M|z? Each of the faults has a code. 8 0 obj WebWith this handheld tool, you have easy access to the ECU and instant sight of fault codes, plus access to our database for detailed information on those fault codes, viewable from any smartphone, tablet or computer.Discover more through our product brochures featuring detailed information and step-by- step user guide: Download now 81 0 obj WITH SUBARU SELECT MONITOR 31 Inlet valve, outlet valve in hydraulic control unit Front inlet valve RH 73Ab`G%P}+|F%cu@PV@T 4 0 obj 722 333 333 556 277 556 556 556 Active faults are those currently existing in the system, such as a WebBlink Code Diagnostics The Meritor WABCO Enhanced Easy-Stop Trailer ABS ECU detects any electrical fault in the trailer ABS. Copyright Drakefield Limited 2007-2008. /F4 45 0 R endstream endobj 525 0 obj <>stream System O.K. Location. hVkkF+$~bs[`A-p$#M#I4brq3lbY0cY0i`=3tdRLH&QL:CfkDp"9)=TT> f]>'\KNE*`r4c>er4-vNL hc\VOL& (abs) and electronic Wabco ABS red lamp on but no fault code Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by paramashchuk , Sep 28, 2019. WebABS-24 ABS (DIAGNOSTICS) LIST OF DIAGNOSTIC TROUBLE CODE (DTC) 2. J1587 (SID) J1587 (FMI) 10. WebABS-24 ABS (DIAGNOSTICS) LIST OF DIAGNOSTIC TROUBLE CODE (DTC) 2. >> WebDiagnostics Using Blink Codes 6 The WABCO Enhanced Easy-Stop Trailer ABS ECU detects any electrical fault in the trailer ABS. 3 0 obj :[/"'5OmBSLxIqQfR;o_8SSr4cDl>JUC*-EtM/nix^, Qf1 Fg*HqT>H;f(H?}]w .WK WebTitle: Wabco Full Power Hydraulic Brake Diagnostic Code (DTC) Index Applies To: All Vehicles with Wabco Full Power Hydraulic Brakes NOTE: Merritor WABCO requires pre-authorization for all repairs over $125. User manual for fault code information PACKAGE COMPONENTS 1. <> The codes are displayed one blink at a time, first on the trailer ABS lamp, then on the blink code tool. Adjust the sensor. /MediaBox [0 0 612 792] The external ABS indicator lamp is usually mounted on the left rear of the trailer, near the rear wheels. SID FMI Blink Code FAULT Universal 750 750 750 750 750 750 750 750 <> /Contents 77 0 R /MediaBox [0 0 612 792] Check ABS modulator valve, valve cable, and connectors. /ProcSet [/PDF /ImageC] 3 0 obj endobj Webfor a list of the rst six digits of the fault codes with Meritor WABCO Pneumatic Antilock Braking System (ABS) 42.22 Troubleshooting for D-Version ABS L-Line and A-Line Workshop Manual, TRAILER ABS, or ANTI LOCK. J1587 (SID) J1587 (FMI) 10. Repair Information. 1-6-6 2-6-6 4-6-6 Voltage Relay 1 Low voltage to the diagonal relay or defective relay. /Parent 1 0 R Please feel free to share with anyone else you know who frequently services WABCO brakes. WebWith this handheld tool, you have easy access to the ECU and instant sight of fault codes, plus access to our database for detailed information on those fault codes, viewable from any smartphone, tablet or computer.Discover more through our product brochures featuring detailed information and step-by- step user guide: Download now /Subtype /TrueType 610 722 777 556 556 556 500 556 1-6-6 2-6-6 4-6-6 Voltage Relay 1 Low voltage to the diagonal relay or defective relay. 9 0 obj endstream endobj 23 0 obj <> endobj 24 0 obj <> endobj 25 0 obj <>stream KA< /Subtype /Form Home | Contact | About | Privacy | Terms of Use | RSS Feeds, This website is owned and operated by: Drakefield Limited, Unit 60, Horndon Industrial Estate, Station Road, West Horndon, Essex, United Kingdom CM13 3XL Tel: +44 (0)1277 814060, This website is owned and operated by: Drakefield Limited, Unit 60, Horndon Industrial Estate, Station Road, West Horndon, Essex, United Kingdom CM13 3XL. /Widths [ Webfor a list of the rst six digits of the fault codes with Meritor WABCO Pneumatic Antilock Braking System (ABS) 42.22 Troubleshooting for D-Version ABS L-Line and A-Line Workshop Manual, TRAILER ABS, or ANTI LOCK. endobj STEP 3: Blink code identification and system response. ] As with the WABCO Vario Compact (1st Generation) system, the casing of the ECU unit for the Vario Compact II is clearly labelled with indicators as to where the various parts of the ABS system are to be connected. All Rights Reserved. Attached Files: 038530C1-E2D1-4D06-AFE9-F24C62E0C421.jpeg File size: 229 KB Views: 21. paramashchuk, Sep w88G/8%x=u[~QB9d`gOe){Z5=Va7"'OB1MuYW5)7;v|a=jVpR,fD6;- YH.oA=:1~La 9S[V$S&+H#|rp40N}G&YR(&>A#Xv x xTE(\Ug? WebTitle: Wabco Full Power Hydraulic Brake Diagnostic Code (DTC) Index Applies To: All Vehicles with Wabco Full Power Hydraulic Brakes NOTE: Merritor WABCO requires pre-authorization for all repairs over $125. The WABCO ABS/EBS Code Reader is the ideal tool for a quick and easy diagnostic job. Each of the faults has a code. ZDt"wp1dNy"=-B$?,V d-2l?Hb=`~jJuK?5 ueqf2PWTI7vgg0HH[/(g=r!7rxh~^m%)]^snXEe,QVX9wkhsQ*_J0 endobj Please feel free to share with anyone else you know who frequently services WABCO brakes. This fault code will be displayed on the trailer ABS lamp when the proper access sequence is engaged. For a comprehensive list of all the blink codes for the Vario Compact II ECU, refer to the Blink Code List. Home | Contact | About | Privacy | Terms of Use | RSS Feeds, This website is owned and operated by: Drakefield Limited, Unit 60, Horndon Industrial Estate, Station Road, West Horndon, Essex, United Kingdom CM13 3XL Tel: +44 (0)1277 814060, This website is owned and operated by: Drakefield Limited, Unit 60, Horndon Industrial Estate, Station Road, West Horndon, Essex, United Kingdom CM13 3XL. Right front steering axle. User manual for fault code information PACKAGE COMPONENTS 1. WebBlink Code Diagnostics The Meritor WABCO Enhanced Easy-Stop Trailer ABS ECU detects any electrical fault in the trailer ABS. %%EOF 9S q8UkNVu2,bDrVk',S8C -$m(S7LY5=HPh4e)P=91t]^DIoVG%}ly|[8CJ{\jM/_L|BoMBR! STEP 3: Blink code identification and system response. /im0 65 0 R /MediaBox [0 0 612 792] /Parent 1 0 R RM um8dh(Up(Kk ^`Wl^+F/@N"?S@]? Get Offer Offer Truck, Tractor And Bus Abs Blink Code - WebWABCO ABS FAULT CODES https://truck-manuals.jimdo.com/wabco-fault-codes/ SID FMI Blink Code FAULT Universal pin/plug BASIC, pin/plug FRAME pin/plug Faultindication E-FRAME, E-Universal COMMENT (REACTION) Cause Action Wheel Sensor left front 0 1 3 + 2 air gap 12;15/18 12;15/18 7..8/x2 WL ABS: wheel disabled ASR, RSC, RSA: disabled Check vehicle voltage. endstream Although the ECU can store multiple faults in its memory, it only displays one blink code at a time. When a fault occurs, the ECU stores the code for that fault in its memory. 547 0 obj <>stream <> stability controls (esc): 2. System O.K. Once you have completed the necessary training, you get PINs for special security relevant functions of WABCOs Diagnostic Software (basic diagnostics can be done without any PIN). << ABS Troubleshooting for Trucks, Trailers, and Buses, STEP 3: Blink code identification and system response. Check whether brake squeezes. >> % <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/Annots[ 9 0 R 10 0 R] /MediaBox[ 0 0 595.32 841.92] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> <> % With this information you or your techs can quickly assess the problem and begin working on a solution. Web(ABS) for Trucks, Tractors and Buses is available in electronic format on the WABCO website (wabco-na.com). 750 750 750 750 750 750 750 750 WABCO System Diagnostics (SD) offers a range of Windows-based software solutions (plus all the hardware necessary to carry out diagnostic work on most of the WABCO system, such as EBS, ECAS, ACC). /ExtGState <> No action needed. 750 750 750 750 750 750 750 750 /ProcSet [/PDF /ImageC] %PDF-1.7 1st Digit. 75 0 obj <> /BBox [0 0 612 792] endstream endobj startxref For example, if the blink code identifies that sensor YE2 is faulty, then by looking at the exterior casing it is a straightforward task to identify where on the vehicle sensor YE2 is located - you just follow the routing of the cabling from the ECU. Each of the faults has a code. Wabco ABS red lamp on but no fault code Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by paramashchuk , Sep 28, 2019. Check sensor wiring and connectors for intermittent contact. WebSealco Commercial Vehicle Products - ABS Blink Codes This page shows how to initiate the active fault blink code display on WABCO TCS2 ABS trailer valves. /Parent 1 0 R endobj Web1 12 5 + 2 frequency too high 12;15/18 12;15/18 7..8/x2 WL ABS: wheel disabled ASR, RSC, RSA: disabled non plausible sensor frequency measured. Check the AC voltage WebCount number of blinks on Trailer ABS Lamp, see chart below for specific fault info. ACCESSING ABS BLINK/FAULT CODES. 750 750 750 750 750 750 750 750 /ItalicAngle 0 WABCO SD software is available for nearly every WABCO-produced component needing diagnosis, both as a single download or as separate bus, truck and trailer packages. to ABS-51, DTC 31 ABNORMAL INLET SOLENOID VALVE CIRCUIT(S) IN ABSCM&H/U (FRONT RH) , Diagnostics Procedure without Subaru Select Monitor.> 32 Front outlet Check vehicle voltage. If you already know how to read ABS Blink Codes from the ECU in question, please go straight to STEP 4: Blink code list; If you are unsure how to read ABS Blink Codes from the ECU, start by familiarising yourself with the information below, and <> When a fault occurs, the ECU stores the code for that fault in its memory. WebSealco Commercial Vehicle Products - ABS Blink Codes This page shows how to initiate the active fault blink code display on WABCO TCS2 ABS trailer valves. It is generally applicable to trailers sold in the US market after March 2001. rky WebABS Troubleshooting for Trucks, Trailers, and Buses . Adjust the sensor. endobj The MUTT provides a quick method to trigger ABS blink codes without a tractor ABS Troubleshooting for Trucks, Trailers, and Buses, STEP 4: Blink Codes for Wabco D version ECU, Check ABS modulator valve, valve cable, and connectors, 12-volt system: Verify 4.0-9.0 ohms resistance (ABS modulator valve), 24-volt system: Verify 11.0-21.0 ohms resistance (ABS modulator valve), Refer to service information provided by manufacturer, Check for loose wheel bearings or excessive hub runout, Verify minimum 0.2 volts AC output @ 30 RPM, Check sensor, sensor cable, and connectors, Check for tyre size mismatch or tooth wheel difference, Check sensor, sensor cable, and connector for intermittent contact, Check for damaged tooth wheel. 1-6-6 2-6-6 4-6-6 Voltage Relay 1 Low voltage to the diagonal relay or defective relay. Tractors and Buses, STEP 3: Blink code identification and system response. * U| it is applicable. 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