Abbreviation: CTS CTS KCU CAS TS TS VSS CAS EGR EGR ISCV VSS VSS ECU ECU ISCV ISCV FTVV FTVV CO Pot CO Pot TS ATS ATS TS AFS AFS AT AT TC AC AC HES HES TC EGR EGR EGR ECU ECU |
Recorded Fault n/a No Voltage Change – Open Ckt. Voltage Low Voltage High No Voltage Change No Voltage Change No Signal, ECU Fault Incorrect Signal Voltage High Voltage Low n/a No Signal Voltage High Voltage High Voltage High Voltage High Voltage High No Signal Voltage High Voltage Low Voltage High Poor Or No Idle Speed Control Voltage Low Voltage Low Voltage High Voltage Low Voltage High Weak Mixture Rich Mixture Voltage High Voltage Low Voltage Low Voltage High PROM Error/Hardware Failure Voltage High Voltage Low Voltage High Hardware Failure- Unit Fault Voltage High Voltage Low Voltage Low Voltage Low Voltage High Voltage High Repeat? Voltage Low Repeat? Voltage Low Voltage Low Voltage High Voltage Low - Not opening Idle Switch Not Opening Voltage Low Voltage High Not Opening Voltage Low Voltage High Voltage Low Engaged Long/Ignition Retard Incorrect Ignition/Injector CutOff Voltage Low Voltage Low Voltage Low Voltage Low Voltage Low Voltage Low Voltage Low Voltage High Voltage Low Voltage High Incorrect Signal Voltage Low Voltage High Voltage Low Voltage High Incorrect Signal Open Circuit – Wiring Break Boost Too High - Out Of Range Above Upper Limit Below Lower Limit Above Upper Limit Voltage Low Voltage High Lean Exhaust - Weak Mixture Rich Exhaust - Rich Mixture Blocked Blocked Incorrect Signal Voltage High Voltage Low Voltage Low n/a High Temperature Not Enough Air Air Without Pump No Or Incorrect Signal Faulty Unit Or Break In Wiring Faulty Unit Or Break In Wiring |
Fault Code And Item: 12 Diagnosis Initiated 13 Lambda (Oxygen) Sensor 14 Coolant Temperature Sensor 15 Coolant Temperature Sensor 16 Knock Sensor 1 17 Knock Sensor 2 18 Knock Control Unit 19 Crankshaft Sensor 21 Throttle Position Sensor 22 Throttle Position Sensor 23 Knock Control Module 24 Vehicle Speed Sensor 25 Injector Valve 1 26 Injector Valve 2 27 Injector Valve 3 28 Injector Valve 4 29 Injector Valve 5 31 Crankshaft Angle Sensor (RPM) 32 Injector Valve 6 33 Exhaust Gas Recirculation Valve 34 Exhaust Gas Recirculation Valve 35 Idle Speed Control Valve 37 Fault Code Light 38 Lambda (Oxygen) Sensor 39 Lambda (Oxygen) Sensor 41 Vehicle Speed Sensor 42 Vehicle Speed Sensor 44 Lambda (Oxygen) Sensor 45 Lambda (Oxygen) Sensor 46 Air Pump Relay 47 Air Pump Relay 48 Battery 49 Battery 51 Electronic Control Unit 52 Fault Code Light 53 Fuel Pump Relay (Main Relay) 54 Fuel Pump Relay (Main Relay) 55 Electronic Control Unit 56 Idle Speed Control Valve 57 Idle Speed Control Valve 59 Inlet Manifold Valve 1 61 Fuel Tank Vent Valve 62 Fuel Tank Vent Valve 63 Inlet Manifold Valve 1 63 EST Line Coil Cylinder 2&3 (M2.8/XEV systems) 64 EST Line Coil Cylinder 1&4 (M2.8/XEV systems) 65 Carbon Monoxide (Co) Potentiometer 66 Carbon Monoxide (Co) Potentiometer 67 Throttle Valve Switch – Idle Position Switch 68 Throttle Switch – Idle contact 69 Air Temperature Sensor 71 Air Temperature Sensor 72 Throttle Switch – Full Load Contact 73 Air Flow Sensor 74 Air Flow Sensor 75 Auto Transmission Torque Control 76 Auto Transmission Torque Control 79 Traction Control 81 Injector Valve 1 82 Injector Valve 2 83 Injector Valve 3 84 Injector Valve 4 85 Injector Valve 5 86 Injector Valve 6 87 Air Conditioning Cut-off Relay 88 Air Conditioning Cut-off Relay 89 Lambda (Oxygen) Sensor Heater 91 Lambda (Oxygen) Sensor Heater 92 Camshaft Sensor (XEV Systems) 93 Hall Effect Sender 94 Hall Effect Sender 95 Hot Start Valve 96 Hot Start Valve 97 Traction Control 98 Lambda (Oxygen) Sensor 113 Boost Pressure Control 114 Boost Pressure Idle 115 Boost Pressure Full 116 Boost Pressure 117 Waste Gate Valve 118 Waste Gate Valve 121 Lambda (Oxygen) Sensor 2 122 Lambda (Oxygen) Sensor 2 123 Inlet Manifold Valve 1 124 Inlet Manifold Valve 2 132 Exhaust Gas Recirculation Valve 133 Exhaust Gas Recirculation Valve 2 134 Exhaust Gas Recirculation Valve 2 135 Fault Code Light 136 Electronic Control Unit 137 Electronic Control Unit Enclosure 141 Secondary Air Pump 142 Secondary Air Pump 143 Immobiliser Function In ECU 144 No Immobiliser Signal Received 145 Incorrect Immobiliser Signal Received |
| BOSCH Motronic Fault Codes (Rev2) Scott Bouchard 01-02-04 |