D Group 28 Troubleshooting Engine ECU, Fault Tracing PID “MID 128 PID 26 Fan Speed Percent” page 16 “MID 128 PID 45 Preheater Relay” page 16 “MID 128 PID 81 Particulate Filter” page 17 “MID 128 PID 84 Vehicle Speed” page 17 “MID 128 PID 85 Cruise Control Status” page 17 “MID 128 PID 91 Accelerator Pedal Position” page 18 “MID 128 PID 94 Fuel Delivery Pressure” page 18 “MID 128 PID 97 Water in Fuel Indicator” page 19 “MID 128 PID 98 Engine Oil Level” page 19 “MID 128 PID 100 Engine Oil Pressure” page 20 “MID 128 PID 102 Intake Manifold Pressure” page 21 “MID 128 PID 103 Turbo Speed” page 22 “MID 128 PID 105 Intake Manifold Temperature” page 23 “MID 128 PID 108 Atmospheric Pressure” page 24 “MID 128 PID 110 Coolant Temperature” page 25 “MID 128 PID 111 Coolant Level” page 26 “MID 128 PID 153 Crankcase Pressure” page 27 “MID 128 PID 171 Ambient Temperature” page 28 “MID 128 PID 173 Exhaust Temperature” page 28 “MID 128 PID 175 Engine Oil Temperature” page 29 “MID 128 PID 354 Relative Humidity” page 30 “MID 128 PID 411 EGR Exhaust Back Pressure” page 31 “MID 128 PID 412 EGR Temperature” page 32 PPID “MID 128 PPID 35 EGR Mass Flow” page 33 “MID 128 PPID 89 Variable Geometry Turbocharger Smart Remote Actuator Temperature” page 33 “MID 128 PPID 122 Engine Compression Brake” page 34 “MID 128 PPID 270 NOx Sensor” page 35 “MID 128 PPID 326 Soot Level” page 36 “MID 128 PPID 272 Air Pressure Compensation” page 36 “MID 128 PPID 328 Aftertreatment Injection Shutoff Valve” page 37 “MID 128 PPID 329 Aftertreatment Fuel Injector” page 37 “MID 128 PPID 330 DRV” page 38 “MID 128 PPID 337 Ash Level” page 39 “MID 128 PPID 387 Temperature Sensor, Catalytic Converter” page 39 “MID 128 PPID 436 Exhaust Gas Temperature Sensor page 40 “MID 128 PPID 437 Aftertreatment Injector Fuel Pressure Sensor” page 41 14