Volvo Truck CorporationGöteborg, Sweden Service Bulletin Trucks D Date Group No. Release 11.07 284 102 05 Page 1(20) MID 128 Engine control unit, fault codes MID 128 Engine control unit, fault codes T0009739 Contents • • • “MID 128 Engine control unit, fault codes” page 2 “Engine control unit, check” page 9 “SCRT, fault tracing” page 19 20128596 ENG28218.ihval English Volvo Truck Corporation Service Bulletin Date Group No. 11.07 284 102 05 D MID 128 Engine control unit, fault codes Note: More information about fault codes is available in Guided Diagnostics Fault code PID26 PID45 Function Fan speed Pre-heater relay FMI 3 Fault Signal not available Short-circuit+, signal cable Short-circuit-, signal cable Open-circuit, signal cable Open-circuit, earth cable 8 Interference in the signal cable. 3 Short-circuit+ 4 Short-circuit- 5 Open-circuit PID84 Vehicle speed 9 Signal absent from VECU (MID144) PID85 Cruise control status 9 Signal absent from CC PID91 Pedal message 9 Signal absent from VECU (MID144) PID94 Fuel pressure 1 Pressure critically low 3 Short-circuit+ Signal cable Open-circuit Earth cable 5 Open-circuit, 5V supply cable Short-circuit-, signal cable Open-circuit, signal cable 7 Low pressure 3 Short-circuit+, signal cable 4 Short-circuit-, signal cable 1 Below the range 4 Short-circuit-, positive side 5 Short-circuit+, positive side Open-circuit, positive side Open-circuit, negative side 1 Below the range 3 Short-circuit+, signal cable Open-circuit, earth cable 5 Open-circuit, 5V supply cable Short-circuit-, signal cable Open-circuit, signal cable 0 Below the range 2 Incorrect 3 Short-circuit+, signal cable Open-circuit, earth cable 5 Open-circuit, 5V supply cable Short-circuit-, signal cable Open-circuit, signal cable 2 Incorrect 4 Short-circuit-, signal cable PID97 PID98 PID100 PID 102 PID105 Water in the fuel sensor Oil level Oil pressure Charge pressure Charge air temperature Release Page 2(20) signal cable 3 Short-circuit+. signal cable Short-circuit-. signal cable 4 Short-circuit-. 5V supply cable Short-circuit-.07 284 102 05 D Fault Short-circuit+. signal cable Open-circuit. signal cable 5 Short-circuit+. signal cable 4 TOO LOW 3 TOO HIGH PID171 Ambient air temperature 9 Signal absent from IC (MID140) PID173 Exhaust temperature 4 Short-circuit- 5 Short-circuit+ Open-circuit 0 Above range 4 Short-circuit-.Volvo Truck Corporation Service Bulletin Fault code Function FMI 5 10 PID107 Air filter indicator 0 3 4 PID108 PID110 PID111 PID153 PID158 Ambient pressure Coolant temperature Coolant level Crankcase pressure Battery voltage Date Group No. earth cable 5 Open-circuit. signal cable 5 Open-circuit 0 Above range 2 Within range 3 Short-circuit+. signal cable 0 Critically above the range 4 Short-circuit-. low side Release Page 3(20) . signal cable Open-circuit 1 Below the range Short-circuit-. signal cable 5 Short-circuit+. signal cable Open-circuit PID175 Oil temperature PID190 Engine rpm 0 Above range PID224 Immobilizer 2 Incorrect data from IMMO (MID163) 12 No response from IMMO (MID163) PID228 Calibration factor (K) 11 Signal absent from VECU (MID144) PID245 Total mileage 9 Signal absent from IC (MID140) PID251 Time data failed 9 Exceeded time limit PID252 Date data failed 9 Exceeded time limit SID 1/2/3/4/5/6 Injector 1/2/3/4/5/6 3 Short-circuit+. signal cable Open-circuit Stuck Critically above the range Short-circuit+. signal cable 5 Open-circuit 2 Within range 3 Short-circuit+. 11. signal cable Open-circuit. Release 11. short-circuit-. short-circuit-. high side Short-circuit-. 2 Intermittent or weak signal 3 Signal absent from crankcase sensor (Short-circuit+. open-circuit) 8 Interference in the signal cable. injector Special instructions 3 Short-circuit+ 4 Short-circuit- 5 Open-circuit 2 Phase error 3 Signal absent from camshaft sensor (Short-circuit+. low side Clock calibration Low holding current.Volvo Truck Corporation Service Bulletin Fault code Function FMI 5 7 12 14 SID18 SID21 SID22 SID32 SID33 SID39 SID70 SID78 SID211 SID230 Water in the fuel sensor CAM speed sensor Crankcase speed sensor Waste gate Engine cooling fan control Starter motor output Pre-heating sensor 1 Fuel evacuation pump 5V supply 2 Buffered IVS Date Group No.07 284 102 05 D Fault Short-circuit+ Short-circuitOpen-circuit. 3 Short-circuit+ 4 Short-circuit- 5 Open-circuit 7 Stuck closed 3 Short-circuit+ 4 Short-circuit- 5 Open-circuit 0 Starter motor overheat 3 Short-circuit+ 5 Open-circuit 7 Gearbox not in neutral 10 Gear synchronisation 14 Power take-off engaged 3 Short-circuit+ 4 Short-circuit- 5 Open-circuit 3 Short-circuit+ 4 Short-circuit- 5 Open-circuit 3 Above range 4 Below the range 3 Short-circuit+ 5 Short-circuitOpen-circuit Page 4(20) . open-circuit) 8 Interference in the signal cable. Release 11. 1 Leakage 2 Within range 4 Short-circuit to earth .or open-circuit on one or other of the cables Above range Below the range Checksum fault Development SW 11 Cell test position 2 Checksum fault 12 Checksum fault supplier 14 Checksum fault on E2 3 RAM addressing failed. NOx signal 9 Abnormal update 12 Incorrect value 13 Range control 14 Signal absent from sensor due to Vbatt. signal cable 5 Short-circuit+.Volvo Truck Corporation Service Bulletin Fault code Function FMI SID231 CAN1 J1939 communications link 2 SID232 5V supply 1 3 4 SID240 Program memory 2 7 SID253 SID254 PPID55 PPID109 PPID122 PPID123 PPID124 PPID270 PPID273 Data memory RAM/Watchdog Electronic control unit. temperature Throttle disc EPG VCB ON/OFF EPG EPG/ Wastegate PWM NOx sensor Set by MID233 SCRT AdBlue pressure Set by MID233 SCRT Date Group No.07 284 102 05 D Page 5(20) Fault Short-circuit+ Short-circuit. 8 WD reset of CPU does not work. 12 Write to RAM does not work 4 Short-circuit-. signal cable Open-circuit 3 Short-circuit+ 4 Short-circuit- 5 Open-circuit 1 Below the range 3 Short-circuit+ 4 Short-circuit- 5 Open-circuit 3 Short-circuit+ 4 Short-circuit- 5 Open-circuit 3 Short-circuit+ 4 Short-circuit- 5 Open-circuit 2 Within range 3 Short-circuit NOx signal 5 Open-circuit. Volvo Truck Corporation Service Bulletin Fault code Function FMI 5 7 13 14 PPID274 PPID275 PPID278 PPID385 PPID386 PPID387 PPID435 PSID75 AdBlue tank temperature Set by MID233 SCRT AdBlue filter temperature Set by MID233 SCRT AdBlue level Set by MID233 SCRT AdBlue ECU voltage Set by MID233 SCRT Exhaust temperature sensor upstream of SCR cat.07 284 102 05 Page 6(20) D Fault Open-circuit Build up failed Electrical fault Heating failed Temperature too low 4 Short-circuit to earth 5 Open-circuit 0 Temperature too high 1 Temperature too low. stop dosing 3 TOO HIGH 4 TOO LOW 12 Internal supply fault 14 Internal supply critical fault 2 Incorrect Stuck 4 Short-circuit to earth 5 Open-circuit 2 Incorrect Stuck 4 Short-circuit to earth 5 Open-circuit 0 Above range 1 Below the range 3 Short-circuit to battery 4 Short-circuit to earth 5 Open-circuit . electrical heating not possible 2 Outside operating range 4 Short-circuit to earth 5 Open-circuit 1 Level low. coolant capacity limited 3 Short-circuit high 5 Open-circuit Short-circuit low 13 Sensor voltage supply outside range 14 Level low. Release 11. Set by MID233 SCRT Exhaust temperature sensor Set by MID233 SCRT Effective torque AdBlue tank heating valve Set by MID233 SCRT 1 Date Group No. Volvo Truck Corporation Service Bulletin Fault code Function FMI PSID77 AdBlue ECU EEPROM Set by MID233 SCRT 3 4 12 PSID82 AdBlue internal filter heater Set by MID233 SCRT 3 4 PSID84 PSID85 PSID87 PSID89 PSID90 PSID91 PSID98 PSID101 PSID102 AdBlue hose heater 2 Set by MID233 SCRT AdBlue ECU main relay Set by MID233 SCRT AdBlue pump motor speed Set by MID233 SCRT AdBlue dosage valve Set by MID233 SCRT SCR system capacity Set by MID233 SCRT AdBlue consumption Set by MID233 SCRT Charge pressure system Control valve for AdBlue cooling Set by MID233 SCRT AdBlue hose heater 3 Set by MID233 SCRT Date Group No.07 284 102 05 D Fault ECU internal supply high ECU internal supply low Checksum. 11. communication or write Short-circuit to battery Short-circuit to earth 5 Open-circuit 3 Short-circuit to battery 4 Short-circuit to earth 5 Open-circuit 3 Short-circuit to battery 4 Short-circuit to earth 5 Open-circuit 6 Shut-off too late 0 Above speed 1 Below speed 10 No signal from pump 3 Short-circuit to battery 4 Short-circuit to earth 5 Open-circuit 7 Valve or hose blocked 10 Valve stuck 14 Frozen too many times 1 Dosage fault 11 Underlying cause not known 14 Major functional fault 0 Level change in tank too great 1 Level change in tank too small 0 TOO HIGH 1 TOO LOW 3 Short-circuit to battery 4 Short-circuit to earth 5 Open-circuit 7 Mechanical problem 3 Short-circuit to battery Release Page 7(20) . Volvo Truck Corporation Service Bulletin Fault code Function FMI 4 5 PSID103 AdBlue hose heater 1 Set by MID233 SCRT 3 4 5 PSID104 PSID105 PSID106 PSID107 AdBlue hose heater 4 Set by MID233 SCRT AdBlue directional valve Set by MID233 SCRT AdBlue system Set by MID233 SCRT AdBlue external filter heater Set by MID233 SCRT Date Group No.or open-circuit on one or other of the cables. PSID232 CAN2 J1939 communications link .07 284 102 05 Page 8(20) D Fault Short-circuit to earth Open-circuit Short-circuit to battery Short-circuit to earth Open-circuit 3 Short-circuit to battery 4 Short-circuit to earth 5 Open-circuit 3 Short-circuit to battery 4 Short-circuit to earth 5 Open-circuit 7 Mechanical problem 7 Mechanical problem 12 Faulty component 3 Short-circuit to battery 4 Short-circuit to earth 5 Open-circuit PSID161 VIN check 1 12 Defective device PSID162 VIN check 2 2 Unreliable data PSID201 CAN1 J1939 communication pause 9 No contact with VECU (MID144) PSID229 CAN parameters from UDS Set by MID233 SCRT 9 Pause 11 Underlying cause not known 2 Short circuit Short-circuit. Release 11. Conditions: • • • • • • • • • Adapter 9990014 and breakout box 9998699 connected between the control unit and the cable harness.1±0. Release 11. (at sea level) . D9B) Drain valve.80 . EB59. primary filter EA3 .9 V (+20 C) Note. check the common earth terminals EA11.8 * Ubat (inactive) ≈ 0 V (active) EA7 Supply to sensor (5 V) EA7 .8 * Ubat (inactive) ≈ 0 V (active) EA3 (D16) Fuel pump EA3 .EA11 ≈ 4.EA11 1. Connection Signal type Measurement points Expected value EA3 (D13. EB58.Volvo Truck Corporation Service Bulletin Date Group No.5.5 V EA22 Charge pressure sensor.7 V EA30 EGR temperature sensor.EA57 ≈ 0.EA57 4.EA57 ≈ 0. EB61 and EA57. signal EA22 . check Step 1: Checking the system.07 284 102 05 Page 9(20) D 28108-3 Engine control unit. signal EA30 . Control unit connected Ignition key in drive position Engine switched off Measurement position voltage DC with multimeter 9812519. Ubat = Battery voltage > = More than < = Less than ≈ = Approximately equal to Note: If the values in general do not agree. EB18.EA11 0.15 V EA21 EGR pressure EA21 . EA39 Expected value Release Page 10(20) Note.0 V (+20 C) ≈ 0. 11. signal Fan speed sensor Date Group No.EA11 EA35 .4 V (+100 C) 0–5V Spin the fan by hand. . The value should oscillate between 0 5 V.07 284 102 05 D Measurement points EA31 .Volvo Truck Corporation Service Bulletin Connection EA31 EA35 Signal type Oil temperature sensor. ≈ 3. Release 11.EB18 ≈ 0.0.EB10 ≈ 0.5 V (with engine shut-off) EB15 Buffered idle switch EB15 .EB18 2.8 V (valve closed) EB25 Pre-heater relay EB25 -EB59 Ubat (open) 0 V (closed) EB27 Coolant temperature sensor.07 284 102 05 Page 11(20) D Connection Signal type Measurement points Expected value Note.9 * Ubat (open) ≈ 0 V (closed) EB24 EGR position 1 EB24 . ≈ Ubat (inactive) ≈ 0 V (active) The fan is engaged when the fan coupling relay is inactive. The fan is off when the fan coupling relay is active. signal EB27 .e. Drain valve. signal EB11 .EB18 ≈ 0.EB61 Ubat (inactive) 0 V (active) Normally “inactive” with the ignition key in drive position.EB61 Ubat (inactive) 0 V (active) EPG EB38 .EB59 ≈ Ubat (inactive) ≈ 0 V (active) Normally “inactive” with the ignition key in drive position.6 V (at sea level) Engine stationary EB30 VCB EB30 . signal EB16 . i.9±0. EB33 Note: Only (D16E) EB38 EB49 Fan control EB49 . EB11 Oil pressure sensor.5 V (with engine shut-off) EB17 Supply to sensor (5 V) EB17 .6 V (+85 C) EB28 Crankcase pressure sensor EB28 . with depressed accelerator) EB16 Fuel pressure sensor. signal EB23 . primary filter EB33 .Volvo Truck Corporation Service Bulletin Date Group No.EB59 < 4 V (inactive) > 8 V (active.2 .EB18 ≈5V EB23 Coolant level sensor.EB18 ≈ 0.0 V (+20 C) ≈ 0. Normally “open” with the starter key in drive position.EB18 ≈ 3.EB59 . .5 V EB57 Power supply.EB61 Ubat Release Page 12(20) Normally “inactive” with the ignition key in drive position.2.5 . control unit EB60 . control unit EB57 .07 284 102 05 D EB50 Waste gate EB50–EB59 ≈ Ubat (inactive) ≈ 0 V (active) EB51 SAE J1939 (CAN high) EB51 .EB59 Ubat EB60 Power supply.EB61 2.4.EB61 0 .0 V EB55 SAE J1939 (CAN low) EB55 . 11.Volvo Truck Corporation Service Bulletin Date Group No. 9.5 .5 .5. signal EA31 .EA59 1.EA42 0.07 284 102 05 D Page 13(20) Step 2: Function check (Cable harness and circuit) Conditions: • • • • Connection Signal type Adapter 9990014 and breakout box 9998699 connected to the cable harness.9 .EA57 > 10 EA12 Unit injector cylinder 2 (injector) EA12 .1 k (20 C) (100 C) (20 C) (100 C) (20 C) (100 C) (+20 C) (+100 C) (20 C) (100 C) Note.8 (20 C) 1.5 .9.EA62 0.9 .945 EA40 Unit injector cylinder 6 (return valve) EA40 .8 EA37 Tachometer sensor.EA59 1.EA11 30 – 45k EA31 Oil temperature sensor.EA61 0.2 (100 C) EA28 Unit injector cylinder 3 (injector) EA28 .9.6. Control unit disconnected Ignition key in stop position Measurement position resistance with multimeter 9812519.8 EA24 Unit injector cylinder 1 (spill valve) EA24 .5.EA59 1.5.EA62 0.9 k ≈ 100 EA32 Unit injector cylinder 3 (return valve) EA32 .1 .5 .8 EA30 EGR temperature sensor EA30 .2 (100 C) EA20 Unit injector cylinder 1 (needle control valve) EA20 .5.8 (20 C) 1.2 1.EA11 ≈ 1.9.9 .EA62 0.5. Release 11.2 1.6.5.8 .EA60 1. .6.1 .2 (100 C) EA36 Unit injector cylinder 6 (injector) EA36 .5.8 EA16 Unit injector cylinder 2 (return valve) EA16 .Volvo Truck Corporation Service Bulletin Date Group No.5.2 1.5.1 .5.9 . + EA37 . flywheel.1 . Measurement points Expected value EA3 Fuel pump EA3 .5.EA38 775 .2 (100 C) EA41 Tachometer turbo EA41 .5.2 1.8 (20 C) 1.6.8 (20 C) 1. 2 1.5.EB57 < 50 (≈ +22 C) (20 C) (185 C) Note.5 .2 (100 C) Connection Signal type Release Measurement points (20 C) (100 C) (+20 C) (+40 C) (20 C) (100 C) Expected value EB3 Oil level sensor EB3 . 11.0 (closed) low level EB27 Coolant temperature sensor.6.5 .5.9.6.EA60 1.EA11 ≈ 2.10 EB23 Coolant level sensor.9 EB13 EGR valve 1.8 (20 C) 1.12.EA61 0.945 EA47 Charge air temperature sensor.1 .9. signal EB27 .5.9 k 160 EB49 Fan control EB49 .8 (20 C) 1.EB4 11. signal EA47 . Page 14(20) .EA46 775 .9 .5. + EA45 .EA61 0.8 EA45 Camshaft sensor.2 (100 C) EA52 Unit injector cylinder 4 (injector) EA52 .1 .8 EA56 Unit injector cylinder 4 (return valve) EA56 .9 .EA60 1.EB18 1.2 1.Volvo Truck Corporation Service Bulletin Date Group No. engine EB13 .4k ≈ 1.07 284 102 05 D EA44 Unit injector cylinder 5 (injector) EA44 . signal EB23 .EB10 > 100 k (open) normal level < 5.EB9 1 .5.5.7 .1k EA48 Unit injector cylinder 5 (return valve) EA48 . Volvo Truck Corporation Service Bulletin Date Group No. Release 11.07 284 102 05 Page 15(20) D Conditions: • • • • Connection EB51 Signal type SAE J1939 Adapter 9990014 and breakout box 9998699 connected between the control unit and the cable harness.EB55 Expected value 60 Note. Measurement points EB51 . Control unit connected Ignition key in stop position Measurement position resistance with multimeter 9812519. When there is no terminal resistor 120 (or when the contact EA is disconnected) . Page 16(20) . Release 11.Volvo Truck Corporation Service Bulletin Date Group No.07 284 102 05 D Step 3: Function check (engine control unit) Conditions: • • Control unit connected Measurement via the data link connector DC no.DC2 Expected value 0-5V Note. = Connection in data link connector Connection DC3 Signal type SAE J1587/1708 Measurement points DC3 . DC2 0-5 Note.Volvo Truck Corporation Service Bulletin Date Group No. .07 284 102 05 D Page 17(20) Conditions: • • • • Adapter 9990014 and breakout box 9998699 connected to cable harness EA Control unit connector EA disconnected Ignition key in stop position Measurement position resistance with multimeter 9812519.DC3 0-5 EA34 SAE J1587–/1708 (CAN low) EA33 . Release 11. = Connection in data link connector Connection Signal type Measurement points Expected value EA33 SAE J1587–/1708 (CAN high) EA33 . DC no. DC no.07 284 102 05 D Page 18(20) Conditions: • • • • Adapter 9990014 and breakout box 9998699 connected to cable harness EB Control unit connector EB disconnected Ignition key in stop position Measurement position resistance with multimeter 9812519.EB55 Expected value 120 Note.Volvo Truck Corporation Service Bulletin Date Group No. Release 11. = Connection in data link connector Connection EB51 Signal type Measurement points SAE J1939 (CAN high)/1939 (CAN low) EB51 . . 0 V A30 SAE J1939-7 (CAN low) A:30 .07 284 102 05 D Measurement points Expected value A6 Tank level sensor/temperature sensor supply A6 .75 V A12 Supply voltage from F10 (DR signal) A:12 . downstream.A:22 2.Volvo Truck Corporation Service Bulletin SCRT.5 V (300 C) A10 Catalytic converter temperature sensor. Control unit connected Ignition key in drive position Engine switched off Measurement position voltage DC with multimeter 9812519.A:22 Ubatt A32 Supply voltage from F94 A:32 .9 V (25 C) ≈ 1. signal A18 .A17 4.A:22 Ubatt A33 Supply voltage from F94 A:33 .A:22 Ubatt A31 SAE J1939-7 (CAN high) A:31 .5-4.A:22 0-2. Release 11. Ubat = Battery voltage > = More than < = Less than ≈ = Approximately equal to Connection Signal type Date Group No. signal A8 .30-4. fault tracing Step 1: Checking the system.A19 ≈ 0.9 V (25 C) ≈ 1. signal A10 .25 V A8 Catalytic converter temperature sensor. upstream.75-5.5 V (300 C) A18 Tank level sensor.A11 ≈ 0.5 V Page 19(20) . Conditions: • • • • • • • • • Adapter 88890052 and breakout box 9998699 connected between the control unit and the cable harness.A17 0. A34 10 -15 A4 Hose heater 2 A4 .07 284 102 05 D Step 2: Function check (Cable harness and circuit) Conditions: • • • • Adapter 88890052 and breakout box 9998699 connected to the cable harness.A35 11 -15 A3 External filter heater A3 . Control unit disconnected Ignition key in stop position Measurement position resistance with multimeter 9812519.A35 30 -70 Page 20(20) .5 -5.0 Filter heater Not possible to measure A14 Hose heater 1 A14 .A19 ≈ 220 ≈ 350 (25 C) (200 C) A10 Exhaust temperature sensor.A30 120 A13 Tank heating valve A13 .A25 1.0 k (0 C) ≈ 4. signal A10 . signal A7 .Volvo Truck Corporation Service Bulletin Date Group No.Earth ≈0 A31 SAE J1939-7 (CAN high) A31 .A35 8 -13 A1 Hose heater 4 A1 . Connection Signal type Measurement points Expected value A7 Tank temperature sensor. signal A8 . Release 11. upstream.Earth ≈0 A22 Earth A22 .A11 ≈ 220 ≈ 350 (25 C) (200 C) A21 Earth A21 .A35 40 -55 A24 Dosing valve A24 .A34 8 -15 A2 Hose heater 3 A2 . downstream.7 k (25 C) A8 Exhaust temperature sensor.A17 ≈ 15.