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Engine/Motor Control Module --, 2024 MY

Component / System DTC / DTC Description Monitor Strategy Description Malfunction Criterion Threshold Value Secondary Parameters Enable Condition Monitoring Time Length MIL Illum. Component Diagnostics
P0023 - "B" Camshaft Position Actuator "A" Control Circuit/Open Bank 2 open circuit signal voltage 3.26...4.70 [V] actuator commanded off   0.5 [s] continuous 2 DCY • Camshaft Position Sensor -G40- • Exhaust Camshaft Adjustment Valve 2 -N319-
      engine speed > 0 [rpm]
battery voltage 8.90•••16.02 [V]
P2090 - "B" Camshaft Position Actuator Control Circuit Low Bank 1 circuit low signal voltage < 2.74 [V] actuator commanded off   0.5 [s] continuous 2 DCY • Exhaust Camshaft Adjustment Valve 1 -N318-
      engine speed > 0 [rpm]
battery voltage 8.90...16.02 [V]
P2091 - "B" Camshaft Position Actuator Control Circuit High Bank 1 circuit high signal current > 0.60...12.50 [A] actuator commanded on   0.5 [s] continuous 2 DCY
      engine speed > 0 [rpm]
battery voltage 8.90...16.02 [V]
P2094 - "B" Camshaft Position Actuator Control Circuit Low Bank 2 circuit low signal voltage < 2.74 [V] actuator commanded off   0.5 [s] continuous 2 DCY • Exhaust Camshaft Adjustment Valve 2 -N319-
      engine speed > 0 [rpm]
battery voltage 8.90•••16.02 [V]
P2095 - "B" Camshaft Position Actuator Control Circuit High Bank 2 circuit high signal current > 0.60...12.50 [A] actuator commanded on   0.5 [s] continuous 2 DCY
      engine speed > 0 [rpm]
battery voltage 8.90•••16.02 [V]
Variable Valve Timing (VVT) Intake Actuator P0010 - "A" Camshaft Position Actuator "A" Control Circuit/Open Bank 1 open circuit signal voltage 3.26...4.70 [V] actuator commanded off   0.5 [s] continuous 2 DCY • Camshaft Adjustment Valve 1 -N205- • Camshaft Position Sensor -G40- • Engine Speed Sensor -G28-
      engine speed > 0 [rpm]
battery voltage 8.90...16.02 [V]
P0020 - "A" Camshaft Position Actuator "A" Control Circuit/Open Bank 2 open circuit signal voltage 3.26...4.70 [V] actuator commanded off   0.5 [s] continuous 2 DCY • Camshaft Adjustment Valve 2 -N208- • Camshaft Position Sensor 2 -G163-
      engine speed > 0 [rpm]
battery voltage 8.90•••16.02 [V]
P2088 - "A" Camshaft Position Actuator Control Circuit Low Bank 1 circuit low signal voltage < 2.74 [V] actuator commanded off   0.5 [s] continuous 2 DCY • Camshaft Adjustment Valve 1 -N205- • Camshaft Position Sensor -G40-
      engine speed > 0 [rpm]
battery voltage 8.90...16.02 [V]
P2089 - "A" Camshaft Position Actuator Control Circuit High Bank 1 circuit high signal current > 0.60...12.50 [A] actuator commanded on   0.5 [s] continuous 2 DCY
      engine speed > 0 [rpm]
battery voltage 8.90...16.02 [V]
P2092 - "A" Camshaft Position Actuator Control Circuit Low Bank 2 circuit low signal voltage < 2.74 [V] actuator commanded off   0.5 [s] continuous 2 DCY • Camshaft Adjustment Valve 2 -N208-
      engine speed > 0 [rpm]
battery voltage 8.90•••16.02 [V]
P2093 - "A" Camshaft Position Actuator Control Circuit High Bank 2 circuit high signal current > 0.60...12.50 [A] actuator commanded on   0.5 [s] continuous 2 DCY
      engine speed > 0 [rpm]
battery voltage 8.90•••16.02 [V]
Vehicle Level Control System U35FF - Forced Vehicle Speed Limitation - if equipped - communication with vehicle level control system: actuator internal check (functional) max. vehicle speed by request <= 83.7 [mph] ignition on   1 [events] continuous 2 DCY • Check the Network-Bus circuit integrity.
      calculation of limiting request for electronic suspension platform active  
calculation of diagnosis monitoring released  
Vehicle Speed Sensor (VSS) P0500 - Vehicle Speed Sensor "A" Circuit communication with VSS speed sensor signal: open circuit error detected   time after ignition on > 0.5 [s] 0.5 [s] continuous 2 DCY • Check the Network-Bus circuit integrity. • Check the vehicle speed signal.
P0501 - Vehicle Speed Sensor "A" Circuit Range/Performance communication with VSS speed sensor signal: out of range error detected   time after ignition on > 0.5 [s] 0.5 [s] continuous 2 DCY
P0502 - Vehicle Speed Sensor "A" Circuit Low communication with VSS speed sensor signal: circuit low error detected   time after ignition on > 0.5 [s] 0.5 [s] continuous 2 DCY
P0503 - Vehicle Speed Sensor "A" Circuit Intermittent/Erratic/High communication with VSS speed sensor signal: circuit high error detected   time after ignition on > 0.5 [s] 0.5 [s] continuous 2 DCY
U0415 - Invalid Data Received from Anti-Lock Brake System (ABS) Control Module "A" communication with VSS speed sensor signal: low voltage error detected   time after ignition on > 0.5 [s] 0.5 [s] continuous 2 DCY • Check the Network-Bus circuit integrity. • Check the vehicle speed signal to the Instrument Cluster Control Module -J285-.
communication with VSS speed sensor signal: initialization error detected   time after ignition on > 0.5 [s] 0.5 [s] continuous 2 DCY
communication with VSS speed sensor signal: out of range high error detected   time after ignition on > 0.5 [s] 0.5 [s] continuous 2 DCY
Voltage Monitoring P0562 - System Voltage Low Engine Control Module (ECM): ECM power supply check during standby internal check error detected   ECM initialization active   0 [s] once / DCY 1 DCY • Check the powers/grounds to the Engine/Motor Control Module -J623-. If ok, then replace the Engine/Motor Control Module -J623-. Refer to appropriate Service Information.
number of DCY with detected faults 2.00 [-]      
enable conditions for active lambda stimulation         general conditions:        
  time after engine start > 0.0 [s]
  or    
  modeled catalyst temperature > 630.0 [°C]
  or    
  integrated air mass > 2.30 [kg]
  integrated heat energy not calibrated [kJ]
  O2S front ready  
  O2S front offset error suspicion not detected  
  or    
  O2S front dynamic error suspicion not detected  
MAF condition in case of O2S offset suspicion:    
  exhaust gas mass flow 20.00...250.00 [kg/h]
  O2S rear ready  
  integrated air mass after O2S ready >= 0.02 [kg]
  modeled EGT at O2S rear > 400.0 [°C]
  diff. actual O2S ceramic temp. vs. O2S ceramic temp. set point < 80.0 [K]
  time after fuel cut off > 10.0 [s]
  lambda set point 0.98...1.02 [-]
  for integrated air mass >= 0.10 [kg]
  engine speed 880...4000 [rpm]
  vehicle speed > 27.9 [mph]
  engine load > 16.01...19.99 [%]
  AAT not calibrated [°C]
  ECT not calibrated [°C]
  BARO not calibrated [kPa]
  camshaft @ modified valve lift not calibrated [-]
  gear shifting not calibrated [-]
  for time not calibrated [s]
alternative EVAP condition 1:    
  integrated EVAP purge mass since last purge stop > 0.0 [g]
  ratio fuel mass from evap purge system to fuel mass through injectors <= 4.00 [-]
  EVAP purge adaptation value <= 64.00 [-]
or    
alternative EVAP condition 2:    
  EVAP purge mass into intake manifold <= 25.60 [kg/h]
  or    
  evap purge in limp-home mode active  
or    
alternative EVAP condition 3:    
  evap purge not active  
scavenging:    
  scavenging rate < 1.02 [-]
  for integrated air mass > 0.02 [kg]
lower range window:    
  exhaust gas mass flow, lower range to activate diagnosis (narrow range) 22.00...290.00 [kg/h]
  exhaust gas mass flow, lower range during diagnosis (normal range) 22.00...300.00 [kg/h]
  exhaust gas mass flow, lower range during diagnosis (extended range) 18.00...300.00 [kg/h]
  extended range only for time <= 2.0 [s]
  modeled EGT in catalyst system, lower range to activate diagnosis (narrow range) 480.0...880.0 [°C]
  modeled EGT in catalyst system, lower range during diagnosis (normal range) 470.0...900.0 [°C]
  change of modeled catalyst temperature -60.0...60.0 [K]
upper range window:    
  exhaust gas mass flow, upper range to activate diagnosis (narrow range) not calibrated [kg/h]
  exhaust gas mass flow, upper range during diagnosis (normal range) not calibrated [kg/h]
  modeled EGT in catalyst system, upper range to activate diagnosis (narrow range) not calibrated [°C]
  modeled EGT in catalyst system, upper range during diagnosis (normal range) not calibrated [°C]
  change of modeled catalyst temperature -60.0...60.0 [K]
lower/upper range window (conditions fulfilled):    
  catalyst temperature not calibrated [°C]
  for time > 10.0 [s]
  for integrated exhaust gas mass flow > 0.02 [kg/h]
  integrated air mass >= 0.02 [kg]
  change of exhaust gas mass flow -40.00...40.00 [kg/h]
  with delay time 2.0 [s]
lambda enable condition monitor - only if:    
  dev. engine nominal lambda value vs. expected lambda @ sensor position < 0.01 [-]
  monitoring stops if lambda deviation >= -5.00...5.00 [%]
  with delay time not calibrated [s]
  or    
  monitoring stop events per DCY (monitoring stop disabled) not calibrated [-]
  lambda control not at min or max limit  
  lambda set point request realized  
conditions to switch from rich to lean phase:    
  actual lambda value -15.18...16.92 [-]
  for time > 0.0 [s]
  integrated exhaust gas mass >= 0.00 [kg]
  alternative condition 1:    
    O2S rear voltage >= 5.00 [V]
  or    
  alternative condition 2:    
    O2S rear voltage >= 0.75 [V]
    O2S rear voltage gradient -66.50...66.50 [V/s]
    MAF rich gas integral >= 0.3 [g]
conditions to switch from lean to rich phase:    
  actual lambda value -14.98...17.12 [-]
  for time > 0.0 [s]
  integrated exhaust gas mass >= 0.00 [kg]
  alternative condition 1:    
    O2S rear voltage <= 0.00 [V]
  or    
  alternative condition 2:    
    O2S rear voltage <= 0.15 [V]
    O2S rear voltage gradient -66.50...66.50 [V/s]
    MAF O2 integral >= 0.1 [g]
enable conditions for online identification         general conditions:        
  enable conditions for active lambda stimulation (Referenced) checked  
  catalyst purge not active  
  catalyst heating (lambda split) not active  
  vehicle speed >= 0 [mph]
  fuel cut off not active  
  for time > 6.0 [s]
  time after engine start > 0.0 [s]
  deviation engine load < 1535.98 [%]
  BARO > 0.00 [kPa]
  for time > 3.0 [s]
  O2S front ready  
  delay time > 10.0 [s]
  O2S front pump current valid  
  lambda control closed loop  
  for time > 3.0 [s]
  exhaust gas mass transport time between combustion chamber and O2S front (constant) <= 655.4 [s]
  exhaust gas mass flow <= 300.00 [kg/h]
  deviation modeled lambda lean to rich (inverted) >= 0.03 [-]
  for time plus identified delay time < 0.1 [s]
  deviation modeled lambda rich to lean (inverted) >= 0.03 [-]
  for time plus identified delay time < 0.1 [s]
EVAP purge conditions:    
  integrated EVAP purge mass >= 11.3 [g]
  EVAP purge adaptation factor <= 64.00 [-]
  or    
  evap purge flow < 0.00 [kg/h]
only for dual-fuel injection (DFI / MFI) vehicles:    
  gradient of MFI not calibrated [-]
  change mode DFI / MFI not calibrated  
  for time not calibrated [s]
split operation:    
  DFI mode not active  
  CNG mode not active  
scavenging:    
  scavenging rate <= 16.00 [-]
  integrated exhaust gas mass > 25.0 [g]
case 1 (transient operation for cylinder deactivation):    
  cylinder deactivation (CD) not calibrated  
  for time not calibrated [s]
  or    
  gear shifting not active  
  for time not calibrated [s]
or    
case 2 (no cylinder deactivation):    
  gear shifting not active  
  for time >= 0.0 [s]
High PCV Purge Load due to Oil Dilution         time after evap purge valve closed not calibrated [s]    
  ratio modeled fuel mass evaporation out of oil to actual necessary fuel mass > 0.30 [-]
  modeled oil temperature > 0.0 [°C]
or    
optional condition (only used for reducing adaptation speed):    
  ratio modeled fuel mass evaporation out of oil to actual necessary fuel mass not calibrated [-]
  ratio calculated fuel mass evaporation out of oil to actual necessary fuel mass not calibrated [-]
  modeled oil temperature > 0.0 [°C]
O2S Front Offset Adaptation         O2S front fault suspicion from lambda control:        
  case 1: lambda controller at min limit:    
    1st lambda control loop .@ min limit  
    O2S front set point 1.00...1.00 [-]
    O2S front signal < 1.0 [-]
    O2S rear voltage < 0.4 [V]
    O2S rear ready  
  or    
  case 2: lambda controller at max limit:    
    1st lambda control loop .@ max limit  
    O2S front set point 1.00...1.00 [-]
    O2S front signal > 1.0 [-]
    O2S rear voltage > 0.6 [V]
    O2S rear ready  
conditions for accumulation of exhaust gas mass for steady state:    
  O2S rear ready  
  O2S front set point 1.00...1.00 [-]
  catalyst purge not active  
    engine speed >= 910 [rpm]
    or    
    engine speed < 910 [rpm]
    for max. time 2.0 [s]
    fuel cut off not active  
    or    
    fuel cut off active  
    for max. time < 0.5 [s]
    ECT >= 30.0 [°C]
    or    
    modeled ECT >= 30.0 [°C]
  catalyst reheating not active  
  catalyst heating during cold start not calibrated  
  catalyst heating with AIR not calibrated  
  engine load gradient <= |30.00| [%/CAMrev]
  engine load cycle < 15.00 [-]
  engine load >= 12.00•••17.51 [%]
  AIR not calibrated  
  AIR system diagnosis not calibrated  
  scavenging rate <= 16.00 [-]
accumulation of exhaust gas mass for steady state after fuel cut off with catalyst purge:    
  integrated exhaust gas mass (steady state detection) > 200.0 [g]
or    
accumulation of exhaust gas mass for steady state after fuel cut off without catalyst purge:    
  integrated exhaust gas mass (steady state detection) > 200.0 [g]
conditions for accumulation of exhaust gas mass for adaptation:    
    O2S front response monitoring in current DCY not calibrated  
    or    
    O2S rear offset monitor fault suspicion (target voltage not reached) not calibrated  
    or    
    O2S front fault suspicion from lambda control not calibrated  
  for time not calibrated [s]
  modeled EGT 350.0...950.0 [°C]
  for time > 2.0 [s]
    exhaust gas mass flow 18.00...250.00 [kg/h]
    or    
    exhaust gas mass flow 10.00...18.00 [kg/h]
    within time < 3.0 [s]
  O2S front ready  
  H2 correction of O2S rear voltage < 80.00 [V]
  O2S front offset monitoring in current DCY not tested  
  catalyst damaging misfire not detected  
  scavenging condition:    
    scavenging rate <= 1.02 [-]
    lambda control deviation in permitted range (depending on scavenging rate and engine speed) fulfilled  
    or    
      scavenging rate > 1.02 [-]
      or    
      lambda control deviation in permitted range (depending on scavenging rate and engine speed) not fulfilled  
      above conditions fulfilled for max. time < 1.7 [s]
  split factor DFI/MFI not calibrated  
  catalyst heating (lambda split) not calibrated  
  lambda control closed loop  
  for time >= 3.0 [s]
  case 1: lambda controller not at min or max limit:    
    O2S rear ready  
    O2S rear control loop (i-part) (Referenced) not calibrated  
    for time not calibrated [s]
    or    
    O2S rear control loop (p-part) (Referenced) active  
    for time >= 1.0 [s]
  or    
  case 2: lambda controller at min or max limit:    
    O2S front fault suspicion from lambda control active  
  above both cases for time >= 3.0 [s]
accumulation of exhaust gas mass for adaptation:    
  integrated exhaust gas mass (adaptation check) 80.0...150.0 [g]
reset of exhaust gas mass for adaptation:    
  check for adaptation step finished  
  or    
  conditions for accumulation of exhaust gas mass for adaptation not fulfilled  
final conditions: fault debounce:    
  case 1:    
    number of checks for adaptation in row >= 2 [-]
    change of abs adapted i-part of 2nd lambda control loop (O2S front offset) at each check (adaptation finished) <= 0.30 [%]
    or    
    low pass filtered abs sum of control value and control error of 2nd lambda control loop at each check (adaption demand in fault direction) > 0 [%]
    with filter time 6.0...12.0 [s]
  or    
  case 2:    
    number of total checks for adaptation >= 6 [-]
final conditions: heal debounce:    
  number of checks for adaptation in row >= 2 [-]
  change of abs adapted i-part of 2nd lambda control loop (O2S front offset) at each check (adaptation finished) <= 0.30 [%]
O2S rear control loop (i-part)         i-part global balance primary O2S rear control enable conditions:        
  EVAP monitoring not active  
  scavenging rate < 1.01 [-]
  band width of lambda control deviation 0 [-]
  ECT > 70.0 [°C]
  catalyst heating (lambda split) not active  
  relative fuel mass @ EVAP purge not calibrated [-]
  filtered engine load gradient < -1.99...1.99 [%/CAMrev]
  for filtered time 1.0 [s]
i-part balance primary O2S rear control enable condition:    
  lambda control no limit  
primary O2S rear control @ open loop (limp home mode):    
  fuel injector power stage error not calibrated  
  fuel injection time lower threshold not calibrated  
  O2S front not calibrated  
i-part general conditions:    
  O2S rear control loop (p-part) (Referenced) active  
  primary O2S rear control @ open loop (limp home mode) not active  
i-part global O2S front control enable conditions:    
  i-part global balance primary O2S rear control enable conditions enabled  
  engine speed conditions (depending on gearbox type):    
    engine speed 920...3000 [rpm]
    or    
    engine speed (M/T only) not calibrated [rpm]
    or    
    engine speed (A/T only) not calibrated [rpm]
  engine load conditions (depending on gearbox type):    
    engine load 16.50...34.50 [%]
    or    
    engine load (M/T only) not calibrated [%]
    or    
    engine load (A/T only) not calibrated [%]
  idle speed (without fuel cut off) not active  
  for time not calibrated [s]
i-part balance primary O2S rear control enable condition:    
  i-part balance primary O2S rear control enable condition enabled  
i-part system primary O2S rear control enable conditions:    
  exhaust gas mass of O2S rear Control Loop (p-part, referenced) > 150.0 [g]
  catalyst temperature 380.0...3003.6 [°C]
conditions for accumulation exhaust gas mass:    
  i-part global balance primary O2S rear control enable conditions enabled  
  i-part balance primary O2S rear control enable condition enabled  
  H2 protection primary O2S rear control not calibrated  
  O2S rear ready  
  catalyst heating not calibrated  
  exhaust gas mass after first start > 200.5 [g]
  exhaust gas mass after restart > 150.0 [g]
O2S rear control loop (p-part)         p-part primary O2S rear control enable conditions:        
  lambda control no limit  
  lambda control closed loop  
primary O2S rear control @ open loop (limp home mode):    
  fuel injector power stage error not calibrated  
  fuel injection time lower threshold not calibrated  
  O2S front not calibrated  
p-part global primary O2S rear control enable conditions:    
  catalyst heating not calibrated  
  EVAP monitoring not calibrated  
  misfire not detected  
  engine speed 0...32768 [rpm]
  for time >= 1.0 [s]
  engine load 0.00...1535.98 [%]
  for time >= 1.0 [s]
  GPF regeneration not calibrated  
  GPF regeneration level not calibrated [-]
p-part balance primary O2S rear control enable conditions:    
  O2S rear lambda control loop @ low-temperature mode not calibrated  
  or    
  O2S rear ready  
  p-part primary O2S rear control enable conditions enabled  
  or    
  primary O2S rear control @ open loop (limp home mode) enabled  
p-part system primary O2S rear control enable conditions:    
  catalyst temperature 300.1...3003.6 [°C]
conditions for accumulation exhaust gas mass:    
  O2S front lambda set point 0.9998...1.0002 [-]
  catalyst purge (rich condition detected) not active  
  p-part primary O2S rear control enable conditions enabled  
  or    
  primary O2S rear control @ open loop (limp home mode) enabled  
  exhaust gas mass > 60.0...100.0 [g]
Retained-Heat Detection after driving conditions with combustion         conditions:        
  engine running for accumulated time >= 30.0 [s]
  accumulation enabled if:    
    engine speed >= 600 [rpm]
  vehicle speed > 24.8 [mph]
  for time > 30.0 [s]
temperature difference:    
  diff. ECT downstream engine @ start vs. min temp. until conditions <= 5.0 [K]
  diff. ROT @ start vs. min temp. until conditions <= 5.0 [K]
  diff. ECT @ cylinder head @ start vs. min temp. until conditions <= 5.0 [K]
  diff. AAT @ start vs. min temp. until conditions <= 5.0 [K]
  diff. EOT @ start vs. min temp. until conditions not calibrated [K]
  diff. heating circuit temperature @ start vs. min temp. until conditions not calibrated [K]
  diff. inverter coolant temperature @ start vs. min temp. until conditions not calibrated [K]
  diff. EOT @ cylinder head @ start vs. min temp. until conditions not calibrated [K]
  diff. ECT @ crankcase @ start vs. min temp. until conditions <= 5.0 [K]
  diff. engine compartment temperature @ start vs. min temp. until conditions <= 5.0 [K]
Retained-Heat Detection after Purge Manifold         Conditions:        
  throttle position > 10.00 [%]
  engine speed > 600 [rpm]
  for time > 5.0 [s]
temperature difference:    
  diff. IAT @ manifold @ start vs. min. temp. until conditions <= 5.0 [K]
  IF (for high electric range vehicles):    
    diff. IAT @ manifold @ start vs. min. temp. until conditions > 5.0 [K]
  then:    
    diff. (IAT @ manifold - AAT) @ start vs. diff. until conditions <= 5.0 [K]
temperature difference:    
  diff. IAT upstream throttle @ start vs. min. temp. until conditions <= 5.0 [K]
  IF (for high electric range vehicles):    
    diff. IAT upstream throttle @ start vs. min. temp. until conditions > 5.0 [K]
  then:    
    diff. (IAT upstream throttle - AAT) @ start vs. diff. until conditions <= 5.0 [K]
temperature difference:    
  diff. IAT 3 @ start vs. min temp. until conditions not calibrated [K]
  IF (for high electric range vehicles):    
    diff. IAT 3 @ start vs. min temp. until conditions not calibrated [K]
  then:    
    diff. (IAT 3 - AAT) @ start vs. diff. until conditions not calibrated [K]
temperature difference:    
  diff. IAT 4 @ start vs. min temp. until conditions not calibrated [K]
  IF (for high electric range vehicles):    
    diff. IAT 4 @ start vs. min temp. until conditions not calibrated [K]
  then:    
    diff. (IAT 4 - AAT) @ start vs. diff. until conditions not calibrated [K]
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