Scania CCU fault codes
All 131 Scania CCU diagnostic trouble codes, with meaning, causes and how to fix them.
Control units:
CCU1
Showing 1–60 of 131 codes
- 40968hex A008 Mixed air temperature sensor panel, incorrect value
- 40969hex A009 Mixed air temperature sensor floor, incorrect value
- 40970hex A00A Evaporator temperature sensor, incorrect value
- 40977hex A011 Fan motor, voltage supply fault
- 40978hex A012 Fan motor, overheating
- 40979hex A013 Fan motor, mechanical fault
- 40980hex A014 Fan motor, incorrect value
- 40981hex A015 Fan motor, short circuit
- 40982hex A016 Condenser fan, short circuit
- 40983hex A017 LIN communication, temperature control fault
- 40984hex A018 LIN communication, fault in actuator for air distribution to defroster
- 40985hex A019 LIN communication, fault in actuator for air distribution, panel and floor
- 40987hex A01B LIN communication, fault with fresh air intake actuator
- 40989hex A01D LIN communication, fault in atmospheric humidity sensor
- 40990hex A01E LIN communication, fault in the sun sensor
- 40991hex A01F LIN communication, fault in the air quality sensor.
- 40992hex A020 LIN communication, LIN bus fault
- 40994hex A022 Fan motor, short circuit to earth
- 40997hex A025 Cab comfort control unit, low voltage
- 40998hex A026 Control unit, voltage too high
- 40999hex A027 Control unit, internal fault
- 41000hex A028 Control unit, internal fault
- 41001hex A029 LIN bus, short circuit or open circuit
- 41002hex A02A Voltage supply to LIN-bus, short circuit
- 41003hex A02B Water valve for water auxiliary heater, short circuit
- 41004hex A02C Water valve to water auxiliary heater, unreasonable voltage
- 41005hex A02D Sun sensor malfunction
- 41006hex A02E Fault in atmospheric humidity sensor
- 41007hex A02F Fault in air quality sensor
- 41008hex A030 Fault in the temperature control actuator
- 41009hex A031 Fault in the actuator for air distribution to the defroster
- 41010hex A032 Fault in the actuator for air distribution between panel and floor
- 41012hex A034 Fault in the fresh air intake actuator
- 41014hex A036 Actuator for temperature control, excessive temperature
- 41015hex A037 Fault in the actuator for air distribution to the defroster, overheating
- 41016hex A038 Fault in the actuator for air distribution between panel and floor, overheating
- 41018hex A03A Actuator for fresh air intake, overheating
- 41020hex A03C Electrical fault in the temperature control actuator.
- 41021hex A03D Electrical fault in the actuator for air distribution to the defroster.
- 41022hex A03E Actuator for air distribution between panel and floor, electrical fault
- 41024hex A040 Electrical fault in the fresh air intake actuator.
- 41029hex A045 Condenser fan, unreasonable value
- 41030hex A046 Condenser fan, short circuit to earth
- 41031hex A047 Control unit, internal fault
- 41032hex A048 Control unit, internal fault
- 41033hex A049 Mixed air temperature sensor panel, incorrect value
- 41034hex A04A Mixed air temperature sensor, floor, incorrect value
- 41035hex A04B Evaporator temperature sensor, implausible value
- 41037hex A04D Compressor for auxiliary cab cooler, malfunction
- 41038hex A04E Temperature control actuator, prohibited position
- 41039hex A04F Actuator for air distribution to the defroster, prohibited position
- 41040hex A050 Actuator for air distribution between panel and floor, impermissible position
- 41042hex A052 Fresh air intake actuator, prohibited position
- 41044hex A054 Additional cab cooler, unreasonable value
- 41045hex A055 Additional cab cooler, unreasonable value
- 41046hex A056 Short-stop heater, unreasonable value
- 41047hex A057 Short-stop heater, unreasonable value
- 41048hex A058 Secondary wake-up signal, unreasonable voltage level
- 41049hex A059 Initialization signal, subbus, unreasonable voltage level
- 41050hex A05A Control unit, parameter fault