DTC Citroen Diagnostic Trouble Codes List – OBD2 Manufacturer Specific Codes

Delving into the intricacies of Citroën vehicles and their diagnostic challenges? You’re in the right place. In this post, we’ll explore an extensive list of Diagnostic Trouble Codes (DTCs) specific to Citroën automobiles.


OBD2 Powertrain Diagnostic Trouble Codes List:

DTC P1100 Exhaust Gas Recirculation (EGR) system – range/performance problem
DTC P1101 Barometric Pressure (BARO) Sensor
DTC P1108 Manifold Absolute Pressure (MAP) Sensor – Circuit Intermittent
DTC P1108 Engine Coolant blower motor relay 1 – operation (Some modules)
DTC P1109 Manifold Absolute Pressure (MAP) Sensor – Circuit Intermittent
DTC P1109 Engine Coolant blower motor relay 1 – operation (Some modules)
DTC P1110 Manifold Absolute Pressure (MAP) Sensor – Circuit Intermittent
DTC P1110 Air Conditioning (AC) – request signal (Some modules)
DTC P1111 Exhaust Gas Recirculation (EGR) – circuit malfunction
DTC P1112 Throttle Motor Position Sensor 1/2 – position check
DTC P1112 Fuel Pressure – control (Some modules)
DTC P1121 Engine Control Module (ECM) – processor fault
DTC P1133 Throttle Motor Position Sensor 1 – Manifold Absolute Pressure (MAP) Sensor – correlation
DTC P1134 Throttle Motor Position Sensor 2 – Manifold Absolute Pressure (MAP) Sensor – correlation
DTC P1135 intake Manifold
DTC P1135 3rd piston cut-off solenoid (Some modules)
DTC P1138 Fuel Pressure control solenoid
DTC P1147 Camshaft Position (CMP) Actuator
DTC P1148 Camshaft Position (CMP) Actuator
DTC P1149 Camshaft Position (CMP) Actuator
DTC P1150 Throttle Motor – control
DTC P1151 Throttle Motor – control
DTC P1152 Throttle Motor Position Sensor 1/2 – correlation
DTC P1153 Throttle Motor Position Sensor 1/2 – initialization butterfly stops
DTC P1154 Throttle Motor – control
DTC P1155 Throttle Motor – control
DTC P1156 Throttle Motor Position Sensor 1/2 – signal
DTC P1157 Throttle Motor Position Sensor 1/2 – signal
DTC P1158 Throttle Motor Position Sensor 1/2 – signal
DTC P1160 intake Manifold
DTC P1169 Engine Control Module (ECM) – injector control – capacitor 1
DTC P1170 Engine Control Module (ECM) – injector control – capacitor 2
DTC P1171 Engine Control Module (ECM) – extended engine
DTC P1186 Mixture Control (MC)
DTC P1280 Throttle Motor Position Sensor 1/2 – position check
DTC P1327 Ignition Coil, Camshaft Position (CMP) Sensor – control circuit
DTC P1402 Exhaust Gas Recirculation (EGR) solenoid
DTC P1403 Engine Coolant Heater
DTC P1404 Engine Control Module (ECM) – Glow Plug Control Module/Engine coolant heater relay
DTC P1408 Engine coolant heater – control
DTC P1454 Exhaust Gas Recirculation (EGR) system – range/performance problem
DTC P1461 Exhaust Gas Recirculation (EGR) valve position sensor – initialization
DTC P1462 Exhaust Gas Recirculation (EGR) valve position sensor – initialization
DTC P1507 Engine Coolant blower motor, rationality check – malfunction
DTC P1511 Engine Control Module (ECM) – Supply Voltage
DTC P1517 Alarm system / Immobilizer – programmimg
DTC P1519 Engine Coolant blower motor, power/earth – circuit malfunction
DTC P1521 Clutch Pedal Position (CPP) switch
DTC P1526 Alternator – circuit
DTC P1536 Brake Pedal Position (BPP) Switch – plausibility
DTC P1543 Air Conditioning (AC) – request signal
DTC P1555 Exhaust Gas Recirculation (EGR) system – range/performance problem
DTC P1601 Relay Module – control circuit
DTC P1603 Engine Coolant Temperature (ECT) Sensor – range/performance problem
DTC P1606 Malfunction indicator lamp (MIL)
DTC P1608 Engine hot lamp Output – circuit malfunction
DTC P1610 Fuel consumption signal
DTC P1612 Immobilizer – memorization
DTC P1614 Engine Control Module (ECM) – CMP sensor reference voltage incorrect
DTC P1617 Engine Control Module (ECM) – processor fault
DTC P1621 Engine Control Module (ECM) – internal fault
DTC P1622 Throttle Motor Position Sensor/Manifold Absolute Pressure (MAP) Sensor – correlation
DTC P1623 Engine torque delivered
DTC P1624 Electronic stability programme (ESP) – incorrect signal
DTC P1625 Electronic stability programme (ESP) – incorrect signal
DTC P1626 Transmission Control System – implausible signal
DTC P1627 Non respect of torque demanded by driver
DTC P1628 Brake Pedal Position (BPP) Switch, Accelerator Pedal Position (APP) Sensor – correlation
DTC P1629 Calculated mechanical friction/actual friction – correlation
DTC P1630 Cruise Control System – implausible signal
DTC P1631 Engine Control Module (ECM) – processor fault
DTC P1794 Electronic stability programme (ESP), ABS control system – no communication


OBD2 Network/Wiring Bus Diagnostic Trouble Codes List:

DTC U1000 Controller Area Network (CAN) data bus, ECM – no communication
DTC U1003 Controller Area Network (CAN) data bus – no communication
DTC U1009 Controller Area Network (CAN) data bus, Transmission Control System – no communication
DTC U1113 Controller Area Network (CAN) data bus, ECM/ESP – no communication
DTC U1117 Controller Area Network (CAN) data bus, Suspension – no communication
DTC U1118 Controller Area Network (CAN) data bus, Multifunction Control Module – no communication
DTC U1209 Controller Area Network (CAN) data bus, Transmission Control Module (TCM) – no communication
DTC U1213 Controller Area Network (CAN) data bus, ECM/ESP – no communication
DTC U1217 Controller Area Network (CAN) data bus, Suspension – no communication
DTC U1218 Controller Area Network (CAN) data bus, Multifunction Control Module – no communication.


Taking note that the list is continually evolving, with ongoing expansions to encompass a broader spectrum of OBD2 trouble codes.

In summary, this guide serves as a valuable resource for novice and experienced technicians, as well as automotive enthusiasts, by offering an extensive list of Citroen OBD2 trouble codes.

Stay tuned for more informative content on maintaining and enhancing your automotive experience.