| Scan code Volvo type | OBD-11 code | Fault location | Probable cause |
| – | PO, P2,
uo | Refer to OBD-11 trouble code tables | – |
| ECM-AC | – | Turbocharger (TC) boost pressure sensor 1 – boost control malfunction | Hose connection(s), intake leak/ blockage, wiring, TC wastegate regulating valve, TC boost pressure actuator, TC control solenoid, TC boost pressure sensor 1, TC wastegate, turbocharger, MAF sensor, ECM |
| ECM-AD | – | Turbocharger (TC) boost pressure sensor 1 – boost control malfunction | Hose connection(s), intake leak/ blockage, wiring, TC wastegate regulating valve, TC boost pressure actuator, TC control solenoid, TC boost pressure sensor 1, TC wastegate, turbocharger, MAF sensor, ECM |
| ECM-AF | P1446 | Evaporative emission (EVAP) leak detection pump – signalmalfunction | Wiring, poor connection, EVAP leak detection pump |
| ECM-AO | – | Engine coolant temperature (ECT)
sensor – circuit intermittent | Wiring, poor connection, ECT sensor, ECM |
| ECM-A2 | – | Insufficient coolant temperature for closed loop fuel control | Wiring, cooling system, coolant thermostat, ECT sensor |
| ECM-A3 | – | System voltage- malfunction | Wiring, poor connection, battery, alternator, engine control relay, ECM |
| ECM-OC | – | CAN data bus, TCM – signal malfunction | Wiring, TCM, ECM |
| ECM-00 | – | CAN data bus, TCM – signal malfunction | Wiring, TCM, ECM |
| ECM-DE | – | CAN data bus, TCM – signal malfunction | Wiring, TCM, ECM |
| ECM-EO | – | CAN data bus, TCM – signal malfunction | Wiring, TCM, ECM |
| ECM-1A | – | Heated oxygen sensor (H02S) 2, bank 1 – malfunction | Wiring, heating inoperative, H025, ECM |
| ECM-1C | – | Heated oxygen sensor (H02S) 2, bank 1, heater control – circuit malfunction | Wiring, H025, ECM |
| ECM-1E | – | Injector 1 – circuit malfunction | Wiring, injector, ECM |
| ECM-1F | – | Injector 2 – circuit malfunction | Wiring, injector, ECM |
| ECM-20 | – | Turbocharger (TC) wastegate regulating valve – circuit malfunction | Wiring, TC wastegate regulating valve, ECM |
| ECM-2E | – | Engine boost condition – signal low | Hose connection(s), wiring, TC wastegate regulating valve, TC wastegate, TC, MAF sensor |
| ECM-2E | P1236 | Engine boost condition – signal high | Hose connection(s), wiring, TC wastegate regulating valve, TC wastegate, MAF sensor |
| ECM-2E | P1241 | Engine boost condition – signal high | Hose connection(s), wiring, TC wastegate regulating valve, TC wastegate, MAF sensor |
| ECM-3A | – | Ignition coil B, primary/secondary – circuit malfunction | Wiring, ignition coil, ECM |
| ECM-40 | – | Random/multiple cylinder(s)- misfire detected | Spark plug(s), HT lead(s), injector(s), ignition coil(s), low compression, wiring |
| ECM-5A | – | Catalytic converter system, bank 1 – efficiency below threshold | Catalytic converter, wiring, H02S 2 |
| ECM-5C | – | Evaporative emission (EVAP) canister purge valve – circuit malfunction | Wiring, EVAP canister purge valve, ECM |
| ECM-50 | – | Camshaft position (CMP) actuator, intake, bank 1 – circuit malfunction | Wiring, CMP actuator, ECM |
| ECM-5E | – | Camshaft position (CMP) actuator, exhaust, bank 1 – timing over-advanced/ system performance | Valve timing, engine mechanical fault, CMP actuator |
| ECM-5F | – | Camshaft position (CMP) actuator, exhaust, bank 1 – timing over-retarded | Valve timing, engine mechanical fault, CMP actuator |
| ECM-6A | – | Evaporative emission (EVAP) system – incorrect flow detected | Hose connection(s), intake leak, EVAP
canister purge valve |
| ECM-68 | – | NC refrigerant pressure sensor – malfunction | AJC refrigerant pressure too low/high (cooling fault/incorrectly charged), wiring, AJC refrigerant pressure sensor, ECM |
| ECM-6F | – | Vehicle speed signal (VSS) – circuit malfunction | Wiring, ABS trouble code(s) stored, ABS control module, ECM |
| ECM-70 | – | NC relay – circuit malfunction | Wiring, AJC relay |
| ECM-7F | – | Malfunction indicator lamp (MIL) – circuit malfunction | Wiring, MIL, ECM |
| ECM-8A | – | Idle speed control (ISC) system – malfunction | Wiring, lAC valve, throttle valve tight/
sticking, ECM |
| ECM-80 | – | Idle speed control (ISC) system – malfunction | Wiring, lAC valve, throttle valve tight/
sticking, ECM |
| ECM-9A | P1513 | Immobilizer control module – communication error/tampering/code error | Wiring, poor connection, immobilizer control module, ECM |
| ECM-9A | P1630 | Immobilizer control module – communication error/tampering/code error | Wiring, poor connection, immobilizer control module, ECM |
| ECM-98 | – | VIN not programmed or mismatch – ECM/
immobilizer control module | Immobilizer control module, ECM |
| ECM-10 | – | Intake air temperature (IAT) sensor- circuit intermittent | Wiring, poor connection, IAT sensor, ECM |
| ECM-13 | – | Mass air flow (MAF) sensor – circuit malfunction | Wiring, MAF sensor, ECM |
| ECM-14 | – | Mass air flow (MAF) sensor – range/
performance problem | Intake leak/blockage, MAF sensor |
| ECM-15 | – | Engine coolant temperature (ECT)
sensor – circuit malfunction | Coolant thermostat, wiring, ECT sensor |
| ECM-16 | – | Heated oxygen sensor (H02S) 1, bank 1 – circuit malfunction | Heating inoperative, poor connection, wiring, H02S, ECM |
| ECM-18 | – | Heated oxygen sensor (H02S) 1, bank 1, heater control – circuit malfunction | Wiring, H02S, ECM |
| ECM-20 | – | Injector 3 – circuit malfunction | Wiring, injector, ECM |
| ECM-21 | – | Injector 4 – circuit malfunction | Wiring, injector, ECM |
| ECM-24 | – | Engine control relay – circuit malfunction | Wiring, engine control relay, ECM |
| ECM-25 | – | System too lean/rich, bank 1 | Intake/exhaust leak, AIR system, intake blocked, EVAP canister purge valve, MAF sensor, fuel pressure/pump, injector(s), H02S |
| ECM-28 | – | Heated oxygen sensor (H02S) 1, bank 1 – slow response | Heating inoperative, wiring, H02S |
| ECM-29 | – | Heated oxygen sensor (H02S) 2, bank 1 – slow response | Heating inoperative, wiring, H02S |
| ECM-32 | – | Camshaft position (CMP) sensor A, bank 1 – malfunction | Insecure sensor/rotor, air gap, wiring, CMP sensor, ECM |
| ECM-36 | – | Heated oxygen sensor (H02S) 2, bank 1, heater control – circuit malfunction | Wiring, H02S, ECM |
| ECM-38 | – | Ignition coil A, primary/secondary – circuit malfunction | Wiring, ignition coil, ECM |
| ECM-41 | – | Knock sensor (KS) 1, bank 1 – circuit malfunction | Wiring, poor connection, KS |
| ECM-43 | – | Knock control system error | Wiring, poor connection, KS, ECM |
| ECM-44 | – | Random/multiple cylinder(s)- misfire detected | Spark plug(s), HT lead(s), injector(s), ignition coil(s), low compression, wiring |
| ECM-45 | – | Random/multiple cylinder(s)- misfire detected | Spark plug(s), HT lead(s), injector(s), ignition coil(s), low compression, wiring |
| ECM-53 | P1336 | Crankshaft position (CKP) sensor/engine speed (RPM) sensor- range/performance problem | Air gap, metal particle contamination, insecure sensor/rotor, wiring, CKP/RPM sensor |
| ECM-60 | – | Camshaft position (CMP) actuator, exhaust, bank 1 – timing over-advanced/ system performance | Valve timing, engine mechanical fault, CMP actuator |
| ECM-61 | – | Camshaft position (CMP) actuator, exhaust, bank 1 – timing over-retarded | Valve timing, engine mechanical fault, CMP actuator |
| ECM-62 | – | Camshaft position (CMP) actuator, exhaust, bank 1 -timing over-advanced/ system performance | Valve timing, engine mechanical fault, CMP actuator |
| ECM-62 | P1014 | Camshaft position (CMP) actuator, exhaust, bank 1 – timing over-advanced/ system performance | Valve timing, engine mechanical fault, CMP actuator |
| ECM-65 | P1449 | Evaporative emission (EVAP) leak detection pump – circuit malfunction | Mechanical fault, hose connection(s), wiring, EVAP leak detection pump |
| ECM-66 | P1440 | Evaporative emission (EVAP) leak detection pump – signal low | Mechanical fault, hose connection(s), EVAP canister, EVAP canister purge valve, wiring, EVAP leak detection pump |
| ECM-68 | – | Evaporative emission (EVAP) system – leak detected | Mechanical fault, hose connection(s), intake leak, EVAP canister, EVAP canister purge valve, EVAP pressure sensor |
| ECM-70 | P1600 | Throttle position (TP) sensor- communication error | Wiring, poor connection, TP sensor, ESP control module, ECM |
| ECM-73 | – | Throttle position (TP) sensor – circuit malfunction | Wiring, TP sensor, ECM |
| ECM-74 | – | Throttle position (TP) sensor – range/
performance problem | Accelerator cable adjustment, TP
sensor |
| ECM-76 | P1618 | Transmission control module (TCM) – MIL
request | AT trouble code(s) stored, automatic transmission malfunction |
| ECM-78 | – | Crankshaft position (CKP) sensor/engine speed (RPM) sensor – malfunction | Insecure sensor/rotor, air gap, wiring, CKP/RPM sensor, ECM |
| ECM-82 | P1482 | AIC condenser blower motor relay -circuit malfunction | Wiring, AJC condenser blower motor relay, ECM |
| ECM-82 | P1483 | A/C condenser blower motor relay -circuit malfunction | Wiring, AJC condenser blower motor relay, ECM |
| ECM-85 | – | Engine coolant blower motor relay, low speed – circuit malfunction | Wiring, engine coolant blower motor relay, ECM |
| ECM-87 | – | Engine coolant blower motor relay, high speed – circuit malfunction | Wiring, engine coolant blower motor relay, ECM |
| ECM-91 | P1600 | Torque reduction communication error | ESP trouble code(s) stored, wiring open circuit/short circuit, poor connection, electronic stability program (ESP) control module, ECM |
| ECM-OA | P1107 | Barometric pressure (BARO) sensor- low input | Wiring short to ground, BARO sensor, ECM |
| ECM-OA | P1108 | Barometric pressure (BARO) sensor- high input | Wiring short to positive, BARO sensor, ECM |
| ECM-OB | P1106 | Barometric pressure (BARO) sensor- range/performance problem | Intake/exhaust leak, wiring, BARO
sensor |
| ECM-OC | – | Turbocharger (TC) boost pressure sensor 2 – boost control malfunction | Hose connection(s), intake leak/ blockage, wiring, TC wastegate regulating valve, TC boost pressure actuator, TC control solenoid, TC boost pressure sensor 2, TC wastegate,turbocharger, ECM |
| ECM-OD | – | Turbocharger (TC) boost pressure sensor 2 – boost control malfunction | Hose connection(s), intake leak/ blockage, wiring, TC wastegate regulating valve, TC boost pressure actuator, TC control solenoid, TC boost pressure sensor 2, TC wastegate,turbocharger, ECM |
| ECM-OF | – | Intake air temperature (IAT) sensor- circuit malfunction | Wiring, IAT sensor, ECM |