ECD SYSTEM FAIL-SAFE CHART

If any of the following DTCs are set, the ECM enters fail-safe mode to allow the vehicle to be driven temporarily.

DTC No. Detection Item Fail-safe Operation Fail-safe Deactivation Condition
B2799 Communication with Immobilizer - -
P0001 Open in Volume Control Valve Circuit
  • Limits the fuel flow.

  • Engine stall.

Normal condition is restored.
P0002 Volume Control Valve Plausibility to Consume Current High Intensity
  • Engine stall.

  • Limitation of VCV current.

Normal condition is restored.
P0003 Short to GND in Volume Control Valve Circuit
  • Limits the fuel flow.

  • Engine stall.

Normal condition is restored.
P0004 Shot to B+ in Volume Control Valve Circuit
  • Limits the fuel flow.

  • Engine stall.

Normal condition is restored.
P0069 MAP Sensor Too High or Too Low EGR off Next engine start.
P0089 Pressure Control Valve Plausibility to Consume Current High Intensity
  • Limits the engine power.

  • Limits the PCV current.

Normal condition is restored.
P0091 Short to GND in Pressure Control Valve Circuit
  • Limits the PCV duty (less than 12.8%).

  • Limits the engine power or engine stall.

Normal condition is restored.
P0092 Short to B+ in Pressure Control Valve Circuit
  • Limits the PCV duty (less than 12.8%).

  • Limits the engine power or engine stall.

Normal condition is restored.
P0096 Turbocharged Air Temperature Sensor Gradient Test A value of 40°C (104°F) for turbocharger is used for ECM control. Normal condition is restored.
P0097 Short to GND in Turbocharged Air Temperature Sensor Circuit A value of 40°C (104°F) for turbocharger is used for ECM control. Normal condition is restored.
P0098 Open or Short to B+ in Turbocharged Air Temperature Sensor Circuit A value of 40°C (104°F) for turbocharger is used for ECM control. Normal condition is restored.
P0104 MAF Sensor Period Out of Range EGR off
  • EGR component: Next engine start.

  • Other component :Normal condition is restored.

P0106 Atmospheric Pressure Sensor Gradient Test A value of 90 kPa (900 mbars, 13.1 psi) is used as the atmospheric pressure. Normal condition is restored.
P0107 Short to GND in Atmospheric Pressure Sensor Circuit A value of 90 kPa (900 mbars, 13.1 psi) is used as the atmospheric pressure. Normal condition is restored.
P0108 Open or Short to B+ in Atmospheric Pressure Sensor Circuit A value of 90 kPa (900 mbars, 13.1 psi) is used as the atmospheric pressure. Normal condition is restored.
P0111 Intake Air Temperature Sensor Gradient Too High A value of 40°C (104°F) is used as the intake air temperature. Normal condition is restored.
P0112 Short to GND in Intake Air Temperature Sensor Circuit A value of 40°C (104°F) is used as the intake air temperature. Normal condition is restored.
P0113 Open or Short to B+ in Intake Air Temperature Sensor Circuit A value of 40°C (104°F) is used as the intake air temperature. Normal condition is restored.
P0115 Coolant Temperature Sensor Plausibility Test
  • Stops the EGR.

  • Stops the A/C.

  • Cooling fan operates at high speed.

  • Water temperature warning light illuminates.


  • EGR component: Next engine start.

  • Other component :Normal condition is restored.

P0116 Coolant Temperature Sensor Gradient Test
  • Stops the EGR.

  • Stops the A/C.

  • Cooling fan operates at high speed.

  • Water temperature warning light illuminates.


  • EGR component: Next engine start.

  • Other component :Normal condition is restored.

P0117 Short to GND in Coolant Temperature Sensor Circuit
  • Stops the EGR.

  • Stops the A/C.

  • Cooling fan operates at high speed.

  • Water temperature warning light illuminates.


  • EGR component: Next engine start.

  • Other component :Normal condition is restored.

P0118 Open or Short to B+ in Coolant Temperature Sensor Circuit
  • Stops the EGR.

  • Stops the A/C.

  • Cooling fan operates at high speed.

  • Water temperature warning light illuminates.


  • EGR component: Next engine start.

  • Other component :Normal condition is restored.

P0181 Fuel Temperature Sensor Gradient Test A value of 90°C (194°F) is used as the fuel temperature. Normal condition is restored.
P0182 Short to GND in Fuel Temperature Sensor Circuit A value of 90°C (194°F) is used as the fuel temperature. Normal condition is restored.
P0183 Open or Short to B+ in Fuel Temperature Sensor Circuit A value of 90°C (194°F) is used as the fuel temperature. Normal condition is restored.
P0191 Common Rail Pressure Sensor Gradient of Common Rail Pressure Too High
  • PCV controller in open loop.

  • VCV adaptation deactivated.

  • Fuel pressure is 35 to 80 MPa (350 to 800 bars, 5,076 to 11,603 psi).

Normal condition is restored.
P0192 Short to GND in Common Rail Pressure Sensor Circuit
  • PCV controller in open loop.

  • VCV adaptation deactivated.

  • Fuel pressure is 35 to 80 MPa (350 to 800 bars, 5,076 to 11,603 psi).

Normal condition is restored.
P0193 Open or Short to B+ in Common Rail Pressure Sensor Circuit
  • PCV controller in open loop.

  • VCV adaptation deactivated.

  • Fuel pressure is 35 to 80 MPa (350 to 800 bars, 5,076 to 11,603 psi).

Normal condition is restored.
P0201 Piezoelectric Injection Timing Cylinder 1 Stop the malfunctioning injector. Normal condition is restored at the next engine start.
P0202 Piezoelectric Injection Timing Cylinder 2 Stop the malfunctioning injector. Normal condition is restored at the next engine start.
P0203 Piezoelectric Injection Timing Cylinder 3 Stop the malfunctioning injector. Normal condition is restored at the next engine start.
P0204 Piezoelectric Injection Timing Cylinder 4 Stop the malfunctioning injector. Normal condition is restored at the next engine start.
P0215 Open, Short to B+ or Short to GND in Main Relay Circuit Engine reaction: engine stall. -
P0222 Short to GND in Accelerator Pedal Sensor Track 1 Circuit Limits the engine power. Ignition switch OFF.
P0223 Open or Short to B+ in Accelerator Pedal Sensor Track 1 Circuit Limits the engine power. Ignition switch OFF.
P0227 Short to GND in Accelerator Pedal Sensor Track 2 Circuit Limits the engine power. Ignition switch OFF.
P0228 Open or Short to B+ in Accelerator Pedal Sensor Track 2 Circuit Limits the engine power. Ignition switch OFF.
P0235 MAP Sensor Too High or Too Low at Idle Speed EGR off Next start the engine
P0236 MAP Sensor Gradient Test Intake manifold pressure is maintained at 90 kPa (900 mbars, 13.1 psi). Normal condition is restored.
P0237 Short to GND in MAP Sensor Circuit Intake manifold pressure is maintained at 90 kPa (900 mbars, 13.1 psi). Normal condition is restored.
P0238 Open or Short to B+ in MAP Sensor Circuit Intake manifold pressure is maintained at 90 kPa (900 mbars, 13.1 psi). Normal condition is restored.
P0263 Cylinder Balancing Controller Output of Cylinder 1 not within Normal Value Range The last learning value is used as the injector correction value. Over 1,500 rpm stop the correction.
P0266 Cylinder Balancing Controller Output of Cylinder 2 not within Normal Value Range The last learning value is used as the injector correction value. Over 1,500 rpm stop the correction.
P0269 Cylinder Balancing Controller Output of Cylinder 3 not within Normal Value Range The last learning value is used as the injector correction value. Over 1,500 rpm stop the correction.
P0272 Cylinder Balancing Controller Output of Cylinder 4 not within Normal Value Range The last learning value is used as the injector correction value. Over 1,500 rpm stop the correction.
P0336 Crankshaft Position Sensor Range / Performance Stops the injection. -
P0337 Open, Short or No Signal in Crankshaft Position Sensor Circuit Stops the injection. -
P0341 Open, Short or No Signal in Camshaft Position Sensor Circuit Difficult to start. Ignition switch OFF.
P0343 Camshaft Position Sensor Range / Performance Difficult to start. Ignition switch OFF.
P0401 EGR Controller, MAF Too Low Compared to the Target Stops the EGR. Next engine start.
P0402 EGR Controller, MAF Too High Compared to the Target Stops the EGR. Next engine start.
P0403 MAF not within Normal Value Range - -
P0405 Short to GND in EGR Valve Position Sensor Circuit Stops the EGR. Next engine start.
P0406 Open or Short to B+ in EGR Valve Position Sensor Circuit Stops the EGR. Next engine start.
P0409 EGR Valve Opened and Closed Stuck Valve - -
P0487 EGR System Check above Upper Limit, below Lower Limit Stops the EGR. Next engine start.
P0490 Control and Position of EGR Valve not Plausible Stops the EGR. Next engine start.
P0495 FAN Consistency Test Stops the A/C. Normal condition is restored.
P0500 Vehicle Speed Over-speed - -
P0501 Vehicle Speed Plausibility Test - -
P0532 Open or Short to GND in Air Conditioning Pressure Sensor Circuit Stops the A/C. Normal condition is restored.
P0533 Short to B+ in Air Conditioning Pressure Sensor Circuit Stops the A/C. Normal condition is restored.
P0562 Battery Voltage Value Too Low - -
P0563 Battery Voltage Value Too High - -
P0571 Stop Light Switch Main Sensor not Plausible - -
P0601 ECU Test 1 Checksum Application Software, Checksum Calibration Value Engine does not start. -
P0603 Checksum Memory EEPROM Engine does not start. -
P0604 ECU Test 2 Internal RAM Memory Engine does not start. -
P0605 ECU Test 1 Checksum Boot Software Engine does not start. -
P0606 ECM Processor DC / DC converter control inhibited. -
P0658 5 V Supply No.1 Voltage Supply Too Low
  • PCV controller in open loop.

  • VCV adaptation deactivated.

  • Fuel pressure is 35 to 80 MPa (350 to 800 bars, 5,076 to 11,603 psi).

Normal condition is restored.
P0659 5 V Supply No.1 Voltage Supply Too High
  • PCV controller in open loop.

  • VCV adaptation deactivated.

  • Fuel pressure is 35 to 80 MPa (350 to 800 bars, 5,076 to 11,603 psi).

Normal condition is restored.
P0691 Short to B+ in FAN1 Circuit Stops the A/C. Normal condition is restored.
P0692 Open or Short to GND in FAN1 Circuit Stops the A/C. Normal condition is restored.
P0693 Short to B+ in FAN2 Circuit Stops the A/C. Normal condition is restored.
P0694 Open or Short to GND in FAN2 Circuit Stops the A/C. Normal condition is restored.
P1113 Common Rail Pressure Controller PI Controller Drift, Common Rail Pressure Too Low - -
P1114 Electric Injection Fuel Cut-off
  • Cut-off piezo power stage.

  • Common rail pressure fall down.

  • Engine reaction: engine stall.

-
P1164 Common Rail Pressure Sensor Offset, PCV Controller in Open Loop
  • PCV controller in open loop.

  • VCV adaptation deactivated.

  • Fuel pressure is 35 to 80 MPa (350 to 800 bars, 5,076 to 11,603 psi).

Normal condition is restored.
P1165 Common Rail Pressure Sensor Inconsistency between Rail Pressure and PCV Current
  • PCV controller in open loop.

  • VCV adaptation deactivated.

  • Fuel pressure is 35 to 80 MPa (350 to 800 bars, 5,076 to 11,603 psi).

Normal condition is restored.
P1166 Common Rail Pressure Controller PI Controller Drift, Common Rail Pressure Too High
  • PCV controller in open loop.

  • VCV adaptation deactivated.

  • Fuel pressure is 35 to 80 MPa (350 to 800 bars, 5,076 to 11,603 psi).

Normal condition is restored.
P1167 Common Rail Pressure Controller Pressure Oscillation, Dynamic Test - -
P1169 Converter DC / DC Piezo Voltage Too Low, Piezo Voltage Too High - -
P1192 Hydraulic Fuel Cut-off by PCV and VCV
  • Cut-off piezo power stage.

  • Common rail pressure fall down.

  • Engine reaction: engine stall.

-
P1197 Piezo Power Stage Voltage Control / Global Incapacity
  • DC/DC converter control inhibited.

  • Injection inhibited.

-
P1198 Common Rail Pressure Controller VCV Adaptation, Insufficient Fuel Flow Engine reaction: engine stall. Next engine start.
P1210 Open in Pressure Control Valve Circuit
  • Limits the PCV duty (less than 12.8%).

  • Limits the engine power or engine stall.

Normal condition is restored.
P1349 Short to B+ in Glow Relay Circuit - -
P1350 Open or Short to GND in Glow Relay Circuit - -
P1351 Glow Relay Coherency Test (Open Relay) - -
P1352 Glow Relay Coherency Test (Latched Relay) - -
P1366 Injector Piezoelectric Voltage / Current / Charge Cylinder 1 Stops the malfunctioning injector. Normal condition is restored at the next engine start.
P1367 Injector Piezoelectric Voltage / Current / Charge Cylinder 2 Stops the malfunctioning injector. Normal condition is restored at the next engine start.
P1368 Injector Piezoelectric Voltage / Current / Charge Cylinder 3 Stops the malfunctioning injector. Normal condition is restored at the next engine start.
P1369 Injector Piezoelectric Voltage / Current / Charge Cylinder 4 Stops the malfunctioning injector. Normal condition is restored at the next engine start.
P1403 Open / Short to B+ or Short to GND in PTC Heater 1 Circuit - -
P1404 Open / Short to B+ or Short to GND in PTC Heater 2 Circuit - -
P1461 Position of EGR Valve Out of Range Stops the EGR. Next engine start.
P1602 Open, Short to B+ or Short to GND in Glow Lamp Circuit - -
P1606 Open, Short to B+ or Short to GND in MIL Circuit - -
P1608 Open, Short to B+ or Short to GND in Coolant Temperature Lamp Circuit - -
P1613 Variant Coding Not Done - -
P1621 Microcontroller Communication not Plausible
  • Cut-off injector piezo power stage.

  • Engine stall.

Ignition switch OFF.
P1627 Pedal Value not Plausible Limits engine speed (2,000 rpm). Ignition switch OFF.
P1630 Vehicle Speed not Plausible - -
P1641 Piezo Power Stage Initializing of Driver Failed
  • DC/DC converter control inhibited.

  • Engine reaction: engine stall.

-
P1667 Conversion A/D not Plausible Test on Pedal Value Track 2 Limits the engine speed (2,000 rpm). Ignition switch OFF.
P1668 Fuel Cut-off not Plausible Limits the engine speed (2,000 rpm). Ignition switch OFF.
P1669 Engine Speed not Plausible Limits the engine speed (2,000 rpm). Ignition switch OFF.
P1672 Supervision of Maximum Engine Speed
  • Cut-off injector piezo power stage.

  • Engine stall.

Ignition switch OFF.
P1673 Time Unit Control not Plausible
  • Cut-off injector piezo power stage.

  • Engine stall.

Ignition switch OFF.
P2137 Accelerator Pedal Sensor Value Plausibility between the Two Tracks Limits the engine power. Ignition switch OFF.
P2141 Open or Short to GND in EGR Throttle Circuit Stops the EGR. Next engine start.
P2142 Short to B+ in EGR Throttle Circuit - -
P2143 Electric EGR Valve H Bridge, Electrical Check, Over Current Check Stops the EGR. Next engine start.
P2299 Accelerator Pedal Sensor Stick Pedal Detect The specified value is used as the idle speed. -
P2670 5 V Supply No.2 Voltage Supply Too Low
  • 1,200 rpm is used as the idle speed.

  • 0% is used as the accelerator pedal opening angle.

Normal condition is restored.
P2671 5 V Supply No.2 Voltage Supply Too High
  • 1,200 rpm is used as the idle speed.

  • 0% is used as the accelerator pedal opening angle.

Normal condition is restored.
P3007 Plausibility with Engine Filling Too Low Measured MAF EGR off -
P3008 Plausibility with Engine Filling Too High Measured MAF EGR off -