CDI5 [Engine 642] 3 of 6

CDI5 Diesel Engine Control System [3 of 6]

DTC Brief Description

2366 [2] N3/9 (CDI control unit) Chip for oxygen sensor: G3/2 (O2 sensor upstream of KAT) Supply voltage TOO LOW�

2367 [2] N3/9 (CDI control unit) Chip for oxygen sensor: G3/1 (O2 sensor downstream TWC) Supply voltage TOO LOW�

2370 [4] N3/9 (CDI control unit) Injector switch: Short circuit�

2371 [1] Control Throttle valve position: Control deviation is too large.�

2371 [2] Control Throttle valve position: Control deviation is too large.�

2372 [1] Control Throttle valve position: The throttle valve is jamming or is stiff.�

2373 [4] Injectors output stage: Short circuit�

2374 [1] N99 (DC/DC converter control module): Open circuit in wiring / Short circuit to positive�

2374 [2] N99 (DC/DC converter control module): Open circuit in wiring / Short circuit to ground�

2375 [1] N99 (DC/DC converter control module): Open circuit in wiring / Short circuit to positive�

2375 [2] N99 (DC/DC converter control module): Open circuit in wiring / Short circuit to ground�

2376 [1] Check component N3/9 (CDI control unit). Actuation M16/6 (Throttle valve actuator): Voltage is too low.�

2376 [2] Check component N3/9 (CDI control unit). Actuation M16/6 (Throttle valve actuator): Maximum current limit�

2376 [4] Check component N3/9 (CDI control unit). Actuation M16/6 (Throttle valve actuator): Maximum current limit Excess temperature in engine control module�

2376 [8] Check component N3/9 (CDI control unit). Actuation M16/6 (Throttle valve actuator): Excess temperature�

2377 [1] Check system 'Exhaust gas recirculation control'.: The air mass is too small.�

2377 [2] Check system 'Exhaust gas recirculation control'.: The air mass is too large.�

2378 [1] Analogue-digital converter: Short circuit to positive�

2378 [2] Analogue-digital converter: Short circuit to ground�

2385 [1] Check system 'Exhaust gas recirculation control'.: The air mass is too small.�

2385 [2] Check system 'Exhaust gas recirculation control'.: The air mass is too large.�

2386 [8] N3/9 (CDI control unit): Exception: Fault�

2387 [1] Control unit N3/9 (CDI control unit) Injector classification: Y76y1 (Fuel injector cylinder 1)�

2387 [2] Control unit N3/9 (CDI control unit) Injector classification: Y76y2 (Fuel injector cylinder 2)�

2387 [4] Control unit N3/9 (CDI control unit) Injector classification: Y76y3 (Fuel injector cylinder 3)�

2387 [8] Control unit N3/9 (CDI control unit) Injector classification: Y76y4 (Fuel injector cylinder 4)�

2388 [1] Control unit N3/9 (CDI control unit) Injector classification: Y76y5 (Fuel injector cylinder 5)�

2388 [2] Control unit N3/9 (CDI control unit) Injector classification: Y76y6 (Fuel injector cylinder 6)�

2388 [4] Control unit N3/9 (CDI control unit) Injector classification: Y76y7 (Fuel injector cylinder 7)�

2388 [8] Control unit N3/9 (CDI control unit) Injector classification: Y76y8 (Fuel injector cylinder 8)�

2389 [1] Control Throttle valve position: Positive control variation CLOSED MAJOR�

2389 [2] Control Throttle valve position: Negative control variation CLOSED MAJOR�

2390 [1] Number of defective injectors: The maximum permissible number of defective injectors was exceeded.�

2500 [4] Check component Y74 (Pressure control valve).: Signal line is interrupted.�

2500 [8] Check component Y74 (Pressure control valve).: Thermal overload of control module N3/9 (CDI control unit)�

2501 [1] Check component Y74 (Pressure control valve).: Short circuit to positive�

2502 [2] Check component Y74 (Pressure control valve).: Short circuit to ground�

2503 [1] Injector cylinder 1: SHORT CIRCUIT�

2503 [2] Injector cylinder 1: Short circuit Cylinder Selector switch�

2503 [4] Injector cylinder 1: Short circuit to positive�

2503 [8] Injector cylinder 1: Short circuit to ground�

2504 [1] Injector cylinder 2: SHORT CIRCUIT�

2504 [2] Injector cylinder 2: Short circuit Cylinder Selector switch�

2504 [4] Injector cylinder 2: Short circuit to positive�

2504 [8] Injector cylinder 2: Short circuit to ground�

2505 [1] Injector cylinder 3: SHORT CIRCUIT�

2505 [2] Injector cylinder 3: Short circuit Cylinder Selector switch�

2505 [4] Injector cylinder 3: Short circuit to positive�

2505 [8] Injector cylinder 3: Short circuit to ground�

2506 [1] Injector cylinder 4: SHORT CIRCUIT�

2506 [2] Injector cylinder 4: Short circuit Cylinder Selector switch�

2506 [4] Injector cylinder 4: Short circuit to positive�

2506 [8] Injector cylinder 4: Short circuit to ground�

2507 [1] Injector cylinder 5: SHORT CIRCUIT�

2507 [2] Injector cylinder 5: Short circuit Cylinder Selector switch�

2507 [4] Injector cylinder 5: Short circuit to positive�

2507 [8] Injector cylinder 5: Short circuit to ground�

2508 [1] Injector cylinder 6: SHORT CIRCUIT�

2508 [2] Injector cylinder 6: Short circuit Cylinder Selector switch�

2508 [4] Injector cylinder 6: Short circuit to positive�

2508 [8] Injector cylinder 6: Short circuit to ground�

2509 [1] Check component Heater booster.: Generator load signal is implausible.�

2509 [2] Check component Heater booster.: Positioner signals fault.�

2512 [1] Check component M16/6 (Throttle valve actuator).: Positioner signals fault.�

2512 [2] Check component M16/6 (Throttle valve actuator).: Positioner signals fault Y.�

2513 [1] Check component M55 (Inlet port shutoff motor).: Positioner signals fault.�

2513 [2] Check component M55 (Inlet port shutoff motor).: Positioner signals fault Y.�

2514 [1] Check component R39/1 (Vent line heater element).: Short circuit to positive�

2514 [2] Check component R39/1 (Vent line heater element).: Short circuit to ground�

2514 [4] Check component R39/1 (Vent line heater element).: Signal line is interrupted.�

2514 [8] Check component R39/1 (Vent line heater element).: Excess temperature in engine control module�

2518 [1] Check component M4/7 (Engine and AC electric suction fan with integrated control).: Positioner signals fault.�

2518 [2] Check component M4/7 (Engine and AC electric suction fan with integrated control).: Positioner signals fault Y.�

2519 [1] Check component M45 (Engine coolant circulation pump).: Short circuit to positive�

2519 [2] Check component M45 (Engine coolant circulation pump).: Short circuit to ground�

2519 [4] Check component M45 (Engine coolant circulation pump).: Signal line is interrupted.�

2519 [8] Check component M45 (Engine coolant circulation pump).: Thermal overload of control module N3/9 (CDI control unit)�

2520 [1] Check component R48/1 (Thermostat).: Short circuit to positive�

2520 [2] Check component R48/1 (Thermostat).: Short circuit to ground�

2520 [4] Check component R48/1 (Thermostat).: Signal line is interrupted.�

2520 [8] Check component R48/1 (Thermostat).: Thermal overload of control module N3/9 (CDI control unit)�

2521 [8] Check system 'Starter control'.: Start attempt without starter actuation�

2523 [1] Check component M4/2 (Coolant fan motor).: Positioner signals fault.�

2523 [2] Check component M4/2 (Coolant fan motor).: Positioner signals fault Y.�

2524 [1] Check component R48/1 (Thermostat).: Positioner signals fault.�

2524 [2] Check component R48/1 (Thermostat).: Positioner signals fault Y.�

2529 [1] Check component M16/6 (Throttle valve actuator).: Short circuit to positive�

2529 [2] Check component M16/6 (Throttle valve actuator).: Short circuit to ground�

2529 [4] Check component M16/6 (Throttle valve actuator).: Signal line is interrupted.�

2529 [8] Check component M16/6 (Throttle valve actuator).: Thermal overload of control module N3/9 (CDI control unit)�

2530 [1] Check component M55 (Inlet port shutoff motor).: Short circuit to positive�

2530 [2] Check component M55 (Inlet port shutoff motor).: Short circuit to ground�

2530 [4] Check component M55 (Inlet port shutoff motor).: Signal line is interrupted.�

2530 [8] Check component M55 (Inlet port shutoff motor).: Thermal overload of control module N3/9 (CDI control unit)�

2531 [1] Zero quantity calibration for the injector of cylinder 1: Upper range limit for measuring point 0�

2531 [2] Zero quantity calibration for the injector of cylinder 1: Lower range limit for measuring point 0�

2531 [4] Zero quantity calibration for the injector of cylinder 1: Upper range limit for measuring point 1�

2531 [8] Zero quantity calibration for the injector of cylinder 1: Lower range limit for measuring point 1�

2532 [1] Zero quantity calibration for the injector of cylinder 2: Upper range limit for measuring point 0�

2532 [2] Zero quantity calibration for the injector of cylinder 2: Lower range limit for measuring point 0�

2532 [4] Zero quantity calibration for the injector of cylinder 2: Upper range limit for measuring point 1�

2532 [8] Zero quantity calibration for the injector of cylinder 2: Lower range limit for measuring point 1�

2533 [1] Zero quantity calibration for the injector of cylinder 3: Upper range limit for measuring point 0�

2533 [2] Zero quantity calibration for the injector of cylinder 3: Lower range limit for measuring point 0�

2533 [4] Zero quantity calibration for the injector of cylinder 3: Upper range limit for measuring point 1�

2533 [8] Zero quantity calibration for the injector of cylinder 3: Lower range limit for measuring point 1�

2534 [1] Zero quantity calibration for the injector of cylinder 4: Upper range limit for measuring point 0�

2534 [2] Zero quantity calibration for the injector of cylinder 4: Lower range limit for measuring point 0�

2534 [4] Zero quantity calibration for the injector of cylinder 4: Upper range limit for measuring point 1�

2534 [8] Zero quantity calibration for the injector of cylinder 4: Lower range limit for measuring point 1�

2535 [1] Zero quantity calibration for the injector of cylinder 5: Upper range limit for measuring point 0�

2535 [2] Zero quantity calibration for the injector of cylinder 5: Lower range limit for measuring point 0�

2535 [4] Zero quantity calibration for the injector of cylinder 5: Upper range limit for measuring point 1�

2535 [8] Zero quantity calibration for the injector of cylinder 5: Lower range limit for measuring point 1�

2536 [1] Zero quantity calibration for the injector of cylinder 6: Upper range limit for measuring point 0�

2536 [2] Zero quantity calibration for the injector of cylinder 6: Lower range limit for measuring point 0�

2536 [4] Zero quantity calibration for the injector of cylinder 6: Upper range limit for measuring point 1�

2536 [8] Zero quantity calibration for the injector of cylinder 6: Lower range limit for measuring point 1�

2537 [1] Check component N14/3 (Glow time output stage).: Short circuit to positive�

2537 [2] Check component N14/3 (Glow time output stage).: Short circuit to ground�

2537 [4] Check component N14/3 (Glow time output stage).:�

2537 [8] Check component N14/3 (Glow time output stage).: Diagnosis Fault�

2538 [1] Check component N14/3 (Glow time output stage).:�

2538 [2] Check component N14/3 (Glow time output stage).: Glow time control FAULTY�

2538 [4] Check component N14/3 (Glow time output stage).: Communication fault�

2538 [8] Check component N14/3 (Glow time output stage).: Excess temperature in engine control module�

2539 [1] Injector cylinder 7: SHORT CIRCUIT�

2539 [2] Injector cylinder 7: Short circuit Cylinder Selector switch�

2539 [4] Injector cylinder 7:�

2539 [8] Injector cylinder 7:�

2540 [1] Injector cylinder 8: SHORT CIRCUIT�

2540 [2] Injector cylinder 8: Short circuit Cylinder Selector switch�

2540 [4] Injector cylinder 8:�

2540 [8] Injector cylinder 8:�

2541 [1] Glow plug Cylinder 7: Short circuit to positive�

2541 [2] Glow plug Cylinder 7: Short circuit to ground�

2541 [4] Glow plug Cylinder 7: Open circuit�

2542 [1] Glow plug Cylinder 8: Short circuit to positive�

2542 [2] Glow plug Cylinder 8: Short circuit to ground�

2542 [4] Glow plug Cylinder 8: Open circuit�

2543 [1] Test of wiring Injector:�

2543 [2] Test of wiring Injector:�

2543 [4] Test of wiring Injector: Short circuit�

2543 [8] Test of wiring Injector:�

2545 [1] Check component M16/6 (Throttle valve actuator).: Open circuit in wiring / Short circuit to positive�

2545 [2] Check component M16/6 (Throttle valve actuator).: Open circuit in wiring / Short circuit to ground�

2546 [8] Check component M16/6 (Throttle valve actuator).: The throttle valve is jamming or is stiff.�

2547 [1] Check component M16/6 (Throttle valve actuator).: Long-term signal drift�

2548 [1] Check component M16/6 (Throttle valve actuator).: Short-term signal drift�

2549 [1] Injector monitoring: Value is above limit.�

2549 [2] Injector monitoring: Value is below limit.�

2549 [4] Injector monitoring: Analogue-digital converter FAULTY�

2550 [1] Monitoring: Injector Voltage: Value is above limit.�

2550 [2] Monitoring: Injector Voltage: Value is below limit.�

2550 [4] Monitoring: Injector Voltage: Analogue-digital converter FAULTY�

2551 [1] Check component M16/6 (Throttle valve actuator).: Short circuit to positive�

2551 [2] Check component M16/6 (Throttle valve actuator).: Short circuit to ground�

2551 [4] Check component M16/6 (Throttle valve actuator).: In the case of short circuit: Overload�

2552 [1] Check component M16/6 (Throttle valve actuator).: Short circuit to positive�

2552 [2] Check component M16/6 (Throttle valve actuator).: Short circuit to ground�

2552 [4] Check component M16/6 (Throttle valve actuator).: Signal line is interrupted.�

2553 [1] Monitoring of mean quantity adaptation: Plausibility Upper learning range reached.�

2553 [2] Monitoring of mean quantity adaptation: Plausibility Lower learning range reached.�

2553 [8] Monitoring of mean quantity adaptation: Plausibility�

2554 [1] Check component Y100/1 (Right charge pressure positioner).: Short circuit to positive�

2554 [2] Check component Y100/1 (Right charge pressure positioner).: Short circuit to ground�

2554 [4] Check component Y100/1 (Right charge pressure positioner).: Signal line is interrupted.�

2554 [8] Check component Y100/1 (Right charge pressure positioner).: Thermal overload of control module N3/9 (CDI control unit)�

2555 [1] Check component Y100/1 (Right charge pressure positioner).: Positioner signals fault.�

2555 [2] Check component Y100/1 (Right charge pressure positioner).: Positioner signals fault Y.�

2556 [1] Check component Y27/10 (Right EGR positioner).: Short circuit to positive�

2556 [2] Check component Y27/10 (Right EGR positioner).: Short circuit to ground�

2556 [4] Check component Y27/10 (Right EGR positioner).: Signal line is interrupted.�

2556 [8] Check component Y27/10 (Right EGR positioner).: Excess temperature in engine control module�

2557 [1] Check component Y27/10 (Right EGR positioner).: Positioner signals fault.�

2557 [2] Check component Y27/10 (Right EGR positioner).: Positioner signals fault Y.�

2558 [1] Zero quantity calibration for the injector of cylinder 7: Upper learning range reached.�

2558 [2] Zero quantity calibration for the injector of cylinder 7: Lower learning range reached.�

2559 [1] Zero quantity calibration for the injector of cylinder 8: Upper learning range reached.�

2559 [2] Zero quantity calibration for the injector of cylinder 8: Lower learning range reached.�

2560 [1] Exhaust flap Right: Short circuit to positive�

2560 [2] Exhaust flap Right: Short circuit to ground�

2560 [4] Exhaust flap Right: Idle speed�

2560 [8] Exhaust flap Right: Excess temperature in engine control module�

2567 [1] Leakage / Misfiring of cylinder 1: Leakage�

2567 [2] Leakage / Misfiring of cylinder 1: The number of misfirings is too high.�

2568 [1] Leakage / Misfiring of cylinder 2: Leakage�

2568 [2] Leakage / Misfiring of cylinder 2: The number of misfirings is too high.�

2569 [1] Leakage / Misfiring of cylinder 3: Leakage�

2569 [2] Leakage / Misfiring of cylinder 3: The number of misfirings is too high.�

2570 [1] Leakage / Misfiring of cylinder 4: Leakage�

2570 [2] Leakage / Misfiring of cylinder 4: The number of misfirings is too high.�

2571 [1] Leakage / Misfiring of cylinder 5: Leakage�

2571 [2] Leakage / Misfiring of cylinder 5: The number of misfirings is too high.�

2572 [1] Leakage / Misfiring of cylinder 6: Leakage�

2572 [2] Leakage / Misfiring of cylinder 6: The number of misfirings is too high.�

2573 [4] Combustion monitoring: General error�

2574 [1] Zero quantity calibration for the injector of cylinder 1: Upper learning range reached.�

2574 [2] Zero quantity calibration for the injector of cylinder 1: Lower learning range reached.�