Volvo S40/V40 2.0L Turbo (2000 – 2004) Trouble Code Info

Model Year Engine identification System
S40/N40 2.0L Turbo 2000-04 B4204T2/T3/T 4
  • Siemens EMS 2000

General information

  • Refer to the front of this manual for general test conditions, terminology, detailed descriptions of wiring faults and a general trouble shooter for electrical and mechanical faults.
  • Malfunction indicator lamp (MIL) will illuminate if certain faults are recorded.
  • ECM operates in backup mode if sensors fail, to enable vehicle to be driven to repair shop.
S1

Accessing

  • Trouble codes can only be displayed by using a Scan Tool connected to the data link connector (DLC) 1.

Erasing

  • Trouble codes can only be erased by using a Scan Tool connected to the data link connector (DLC).

Trouble code identification

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