ALTERNATIVE FUELS ENGINE CONTROL MODULE LOCATION
On CNG engines, an Alternative Fuels Engine Control Module (AF ECM) is used. AF ECM is located on right side of engine compartment below the air filter assembly.
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Contents
Wiring diagrams Section: Testing & Diagnostics- Engine Controls Self-Diagnostics - 6.6L Diesel: Overview
- Engine Controls Self-Diagnostics - 6.6L Diesel: Diagnosis
- Engine Controls Self-Diagnostics - 6.6L Diesel: Maintenance
- Engine Controls Self-Diagnostics - 6.6L Diesel: Wiring
- Engine Controls Self-Diagnostics - 6.6L Diesel: Component Locations
- Engine Controls Self-Diagnostics - 6.6L Diesel: NVH
- Engine Controls Self-Diagnostics - 6.6L Diesel: Other
- DTC P0087: FUEL RAIL PRESSURE - LOW
- DTC P0088: FUEL RAIL PRESSURE - HIGH
- DTC P0089: FUEL RAIL PRESSURE OUT OF RANGE
- DTC P0090: FUEL RAIL PRESSURE SENSOR CURRENT OUT OF RANGE
- DTC P0101: MASS AIR FLOW SENSOR PERFORMANCE
- DTC P0102: MAF SENSOR CIRCUIT - LOW VOLTAGE
- DTC P0103: MAF SENSOR CIRCUIT - HIGH VOLTAGE
- DTC P0106: BARO SYSTEM PERFORMANCE (CA)
- DTC P0106: BARO SYSTEM PERFORMANCE (FED)
- DTC P0107: BARO SENSOR CIRCUIT - LOW PRESSURE (CA)
- DTC P0107: BARO SENSOR CIRCUIT - LOW PRESSURE (FED)
- DTC P0108: BARO SENSOR CIRCUIT - HIGH PRESSURE (CA)
- DTC P0108: BARO SENSOR CIRCUIT - HIGH PRESSURE (FED)
- DTC P0112: IAT SENSOR CIRCUIT - LOW VOLTAGE
- DTC P0113: IAT SENSOR CIRCUIT - HIGH VOLTAGE
- DTC P0116: ECT SENSOR PERFORMANCE
- DTC P0117: ECT SENSOR CIRCUIT - LOW VOLTAGE
- DTC P0118: ECT SENSOR CIRCUIT - HIGH VOLTAGE
- DTC P0128: ECT LESS THAN THERMOSTAT REGULATING TEMPERATURE
- DTC P0168: FUEL RAIL TEMPERATURE SENSOR HIGH
- DTC P0181: FUEL RAIL TEMPERATURE SENSOR & IAT SENSOR TEMPERATURE NOT WITHIN SPECIFICATION
- DTC P0182: FUEL RAIL TEMPERATURE SENSOR CIRCUIT - LOW VOLTAGE
- DTC P0183: FUEL RAIL TEMPERATURE SENSOR CIRCUIT - HIGH VOLTAGE
- DTC P0192: FUEL RAIL PRESSURE SENSOR CIRCUIT - LOW VOLTAGE
- DTC P0193: FUEL RAIL PRESSURE SENSOR CIRCUIT - HIGH VOLTAGE
- DTC P0201-P0208: FUEL INJECTOR CONTROL CIRCUITS
- DTC P0234: TC ENGINE OVERBOOST CONDITION (CA)
- DTC P0234: TC ENGINE OVERBOOST CONDITION (FED)
- DTC P0236: TC BOOST SYSTEM (CA)
- DTC P0236: TC BOOST SYSTEM (FED)
- DTC P0237: TC BOOST SENSOR CIRCUIT LOW VOLTAGE (CA)
- DTC P0237: TC BOOST SENSOR CIRCUIT LOW VOLTAGE (FED)
- DTC P0238: TC BOOST SENSOR CIRCUIT HIGH VOLTAGE (CA)
- DTC P0238: TC BOOST SENSOR CIRCUIT HIGH VOLTAGE (FED)
- DTC P0300: ENGINE MISFIRE DETECTED
- DTC P0301-P0308: CYLINDERS NO. 1-8 MISFIRE DETECTED
- DTC P0335: CRANKSHAFT POSITION SENSOR CIRCUIT
- DTC P0336: CRANKSHAFT POSITION SENSOR CIRCUIT PERFORMANCE
- DTC P0340: CMP SENSOR CIRCUIT PERFORMANCE
- DTC P0341: CAMSHAFT POSITION SENSOR CIRCUIT PERFORMANCE
- DTC P0370 & P0374: TIMING REFERENCE HIGH RESOLUTION
- DTC P0380: GLOW PLUG CIRCUIT PERFORMANCE (CA)
- DTC P0380: GLOW PLUG CIRCUIT PERFORMANCE (FED)
- DTC P0401: EGR SYSTEM - INSUFFICIENT FLOW
- DTC P0404: EGR VALVE OPEN PINTLE POSITION
- DTC P0405: EGR PINTLE POSITION CIRCUIT - LOW VOLTAGE
- DTC P0406: EGR SENSOR CIRCUIT HIGH VOLTAGE
- DTC P0489: EGR SOLENOID CIRCUIT - LOW VOLTAGE
- DTC P0490: EGR SOLENOID CIRCUIT - HIGH VOLTAGE
- DTC P0500: VEHICLE SPEED SENSOR (ALLISON A/T)
- DTC P0500: VEHICLE SPEED SENSOR (M/T)
- DTC P0540: INTAKE AIR HEATER - INCORRECT VOLTAGE
- DTC P0543: INTAKE AIR HEATER - INCORRECT VOLTAGE
- DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681 & P1683: ECM MEMORY
- DTC P0611: FUEL INJECTION CONTROL MODULE INTERNAL FAULT
- DTC P0612: FUEL INJECTION CONTROL MODULE INTERNAL FAULT
- DTC P0650: MIL CONTROL CIRCUIT
- DTC P0700: TCM MIL REQUEST
- DTC P0703: BRAKE SWITCH CIRCUIT (ALLISON A/T)
- DTC P0704: CLUTCH PEDAL SWITCH
- DTC P0708: TRANSMISSION RANGE SWITCH (ALLISON A/T)
- DTC P1093: FUEL RAIL PRESSURE OUT OF RANGE
- DTC P1094: EXCESSIVE FUEL INJECTION PUMP FLOW
- DTC P1125: ACCELERATOR PEDAL POSITION SENSORS OUT OF RANGE OR DISAGREE
- DTC P1172: FUEL TRANSFER WITH SECONDARY PUMP
- DTC P1191: INTAKE AIR DUCT AIR LEAK
- DTC P1223, P1226, P1229, P1232, P1235, P1238, P1241 & P1244: INCORRECT VOLTAGE FOR COMMANDED STATE OF AN INJECTOR DRIVER
- DTC P1261: ECM DETECTS A CIRCUIT FAULT RELATED TO HIGH VOLTAGE CIRCUIT TO CYLINDERS NO. 1, 4, 6 & 7
- DTC P1262: ECM DETECTS A CIRCUIT FAULT RELATED TO HIGH VOLTAGE CIRCUIT TO CYLINDERS NO. 2, 3, 5 & 8
- DTC P1270: ACCELERATOR PEDAL POSITION SENSOR A/D CONVERTER ERROR
- DTC P1271: APP SENSOR 1-2 PERFORMANCE
- DTC P1272: ACCELERATOR PEDAL POSITION SENSOR 2
- DTC P1273: ACCELERATOR PEDAL POSITION SENSOR 1
- DTC P1277: ACCELERATOR PEDAL POSITION SENSOR 1 CIRCUIT LOW VOLTAGE
- DTC P1278: ACCELERATOR PEDAL POSITION SENSOR 1 CIRCUIT HIGH VOLTAGE
- DTC P1282: ACCELERATOR PEDAL POSITION SENSOR 2 CIRCUIT LOW VOLTAGE
- DTC P1283: ACCELERATOR PEDAL POSITION SENSOR 2 CIRCUIT HIGH VOLTAGE
- DTC P1287: ACCELERATOR PEDAL POSITION SENSOR 3 CIRCUIT LOW VOLTAGE
- DTC P1288: ACCELERATOR PEDAL POSITION SENSOR 3 CIRCUIT LOW VOLTAGE
- DTC P1345: CKP/CMP CORRELATION
- DTC P1404: EGR VALVE CLOSED PINTLE POSITION
- DTC P1550: FUEL INJECTION CONTROL MODULE - LOW VOLTAGE
- DTC P1635: 5-VOLT REFERENCE 1 CIRCUIT
- DTC P1639: 5-VOLT REFERENCE 2 CIRCUIT
- DTC P1643: WAIT TO START INDICATOR CONTROL CIRCUIT
- DTC P1658: FUEL INJECTION CONTROL MODULE DRIVER CIRCUITS
- DTC P1781: TCM MIL REQUEST CIRCUIT
- DTC P2141: EGR THROTTLE VALVE VACUUM CONTROL SOLENOID CIRCUIT - LOW VOLTAGE
- DTC P2142: EGR THROTTLE VALVE VACUUM CONTROL SOLENOID CIRCUIT - HIGH VOLTAGE
- DTC P2144: EGR VACUUM VENT SOLENOID CONTROL CIRCUIT - LOW VOLTAGE
- DTC P2145: EGR VACUUM VENT SOLENOID CONTROL CIRCUIT - HIGH VOLTAGE
- Engine Controls - Basic Diagnostic Procedures: Overview
- Engine Controls - Basic Diagnostic Procedures: Diagnosis
- Engine Controls - Basic Diagnostic Procedures: Other
- Engine Controls - Trouble Shooting - No Codes: Diagnosis
- Engine Controls - Trouble Shooting - No Codes: Wiring
- Engine Controls - Trouble Shooting - No Codes: NVH
- Engine Controls - Trouble Shooting - No Codes: Other
- Engine Controls - System & Component Testing: Specifications
- Engine Controls - System & Component Testing: Overview
- Engine Controls - System & Component Testing: Diagnosis
- Engine Controls - System & Component Testing: Maintenance
- Engine Controls - System & Component Testing: Wiring
- Engine Controls - System & Component Testing: Other
- Engine Controls Self-Diagnostics - 6.0L - Bi-Fuel & Cng: Overview
- Engine Controls Self-Diagnostics - 6.0L - Bi-Fuel & Cng: Diagnosis
- Engine Controls Self-Diagnostics - 6.0L - Bi-Fuel & Cng: Wiring
- Engine Controls Self-Diagnostics - 6.0L - Bi-Fuel & Cng: Component Locations
- Engine Controls Self-Diagnostics - 6.0L - Bi-Fuel & Cng: NVH
- Engine Controls Self-Diagnostics - 6.0L - Bi-Fuel & Cng: Other
- DTC P0101: MASS AIR FLOW SENSOR PERFORMANCE
- DTC P0102: MAF SENSOR CIRCUIT - LOW FREQUENCY
- DTC P0103: MAF SENSOR CIRCUIT - HIGH FREQUENCY
- DTC P0106: MAP/TP SENSOR PERFORMANCE/RANGE
- DTC P0107: MAP SENSOR CIRCUIT - LOW VOLTAGE
- DTC P0108: MAP SENSOR CIRCUIT - HIGH VOLTAGE
- DTC P0112: IAT SENSOR CIRCUIT - LOW VOLTAGE
- DTC P0113: IAT SENSOR CIRCUIT - HIGH VOLTAGE
- DTC P0117: ECT SENSOR CIRCUIT - LOW VOLTAGE
- DTC P0118: ECT SENSOR CIRCUIT - HIGH VOLTAGE
- DTC P0121: TP SENSOR ANGLE OUT OF RANGE
- DTC P0122: TP SENSOR CIRCUIT - LOW VOLTAGE
- DTC P0123: TP SENSOR CIRCUIT - HIGH VOLTAGE
- DTC P0125: ECT EXCESSIVE TIME TO ENTER CLOSED LOOP FUEL CONTROL
- DTC P0131 & P0151: HO2S BANK 1 & 2 SENSOR 1 CIRCUIT - LOW VOLTAGE
- DTC P0132 & P0152: HO2S BANK 1 & 2 SENSOR 1 CIRCUIT - HIGH VOLTAGE
- DTC P0134 & P0154: HO2S BANK 1 & 2 SENSOR 1 CIRCUIT - INSUFFICIENT ACTIVITY
- DTC P0135 & P0155: HO2S BANK 1& 2 SENSOR 1 HEATER CIRCUIT
- DTC P0171: FUEL TRIM SYSTEM LEAN - BANK 1
- DTC P0172: FUEL TRIM SYSTEM RICH - BANK 1
- DTC P0174: FUEL TRIM SYSTEM LEAN - BANK 2
- DTC P0175: FUEL TRIM SYSTEM RICH - BANK 2
- DTC P0182: FUEL TANK TEMPERATURE SENSOR CIRCUIT - LOW VOLTAGE
- DTC P0183: FUEL TANK TEMPERATURE SENSOR CIRCUIT - HIGH VOLTAGE
- DTC P0187: FUEL RAIL TEMPERATURE SENSOR CIRCUIT - LOW VOLTAGE
- DTC P0188: FUEL RAIL TEMPERATURE SENSOR CIRCUIT - HIGH VOLTAGE
- DTC P0192: FUEL RAIL PRESSURE SENSOR CIRCUIT - LOW VOLTAGE
- DTC P0193: FUEL RAIL PRESSURE SENSOR CIRCUIT - HIGH VOLTAGE
- DTC P0201-P0208: INJECTOR CONTROL CIRCUITS
- DTC P0336: CRANKSHAFT POSITION SENSOR PERFORMANCE
- DTC P0341: CAMSHAFT POSITION SENSOR CIRCUIT PERFORMANCE
- DTC P0405: EGR VALVE POSITION CIRCUIT - LOW VOLTAGE
- DTC P0406: EGR VALVE POSITION CIRCUIT - HIGH VOLTAGE
- DTC P0500: VSS CIRCUIT
- DTC P0600: CLASS 2 SERIAL DATA CIRCUIT
- DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681, P1683 & P2610: AF ECM MEMORY
- DTC P0705: TRANSMISSION RANGE SWITCH
- DTC P1215: CONTROL CIRCUIT FAULT
- DTC P1432: FUEL TANK PRESSURE SENSOR SIGNAL LOW
- DTC P1433: FUEL PRESSURE SENSOR SIGNAL HIGH
- DTC P1635: 5-VOLT REFERENCE 1 CIRCUIT
- DTC P1650: ALTERNATIVE FUELS FUEL PUMP RELAY CIRCUIT
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