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DCDC Converter Control Module (DCDC) --, 2024 MY

WARNING: This page is about a different car, the 2024 Audi A3 Quattro and 2024 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.
Component / System DTC / DTC Description Monitor Strategy Description Malfunction Criteria Threshold Value   Secondary Parameters Enable Condition   Monitoring Time Length MIL Illum.
Micro controller supply Voltage Sensor U_Terminal 30 P06B1 - Sensor Power Supply "A" Circuit Low Short to ground Measured voltage < 1.0 [V] Terminal 30 ON   100 ms continuous Immediately
Out of range low Measured voltage < 3.0 [V] Terminal 30 ON   100 ms continuous Immediately
P06B2 - Sensor Power Supply "A" Circuit High Out of range high Measured voltage > 32.0 [V] Terminal 30 ON   100 ms continuous Immediately
P0560 - System Voltage Rationality low : Plausible check with other sensor measurement US1_1 Input voltage difference between measurements at main micro controller and safety micro controller < -1.0 [V] Safety switch S1 Functional Safety (FUSI) Closed Enabled   100 ms continuous 2 DCY
Rationality high : Plausible check with other sensor measurement US1_1 Input voltage difference between measurements at main micro controller and safety micro controller > 1.0 [V] Safety switch S1 Functional Safety (FUSI) Closed Enabled   100 ms continuous 2 DCY
48V supply Voltage Sensor U_Terminal 40 P0E56 - DC/DC Converter Input Voltage Too Low Short to ground Measured voltage < 1.0 [V] Safety switch S1 Functional Safety (FUSI) Closed Enabled   100 ms continuous 2 DCY
Out of range low Measured voltage < 3.0 [V] Safety switch S1 Functional Safety (FUSI) Closed Enabled   100 ms continuous 2 DCY
P0E57 - DC/DC Converter Input Voltage Too High Out of range high Measured voltage > 63.0 [V] Terminal 30 ON   100 ms continuous 2 DCY
P31C2 - Input voltage sensor Range/Performance Other rationality : Plausible check with modeled value Differential voltage between measured and modeled value < -30 > 30 [V] [V] I_Terminal 30 Terminal 30_Voltage ≥ 8 >9 [A] [V] 100 ms continuous 2 DCY
Safety switch1_1 input supply Voltage Sensor U_Safety switch1_1 P32A6 - DC/DC converter voltage sensor 1 Short circuit to Ground (GND) Short to ground Measured voltage < 1.0 [V] Safety switch S1 Functional Safety (FUSI) Closed Enabled   100 ms continuous 2 DCY
Out of range low Measured voltage < 3.0 [V] Safety switch S1 Functional Safety (FUSI) Closed Enabled   100 ms continuous 2 DCY
P32A5 - DC/DC converter voltage sensor 1 Short circuit to B+ Out of range high Measured voltage > 32.0 [V] Terminal 30 ON   100 ms continuous 2 DCY
P32A7 - DC/DC converter voltage sensor 1 Range/Performance Rationality low : Plausible check with other sensor measurement US1_2 Input voltage difference between measurements at Safety switch S1_1 and Safety switch S1_2 < -1.0 [V] Terminal30 ON   100 ms continuous 2 DCY
Rationality high : Plausible check with other sensor measurement US1_2 Input voltage difference between measurements at Safety switch S1_1 and Safety switch S1_2 > 1.0 [V] Terminal30 ON   100 ms continuous 2 DCY
Safety switch1_2 input supply Voltage Sensor U_Safety switch1_2 P32AB - DC/DC converter voltage sensor 2 Short circuit to Ground (GND) Short to ground Measured voltage < 1.0 [V] Safety switch S1 Functional Safety (FUSI) Closed Enabled   100 ms continuous 2 DCY
Out of range low Measured voltage < 3.0 [V] Safety switch S1 Functional Safety (FUSI) Closed Enabled   100 ms continuous 2 DCY
P32AA - DC/DC converter voltage sensor 2 Short circuit to B+ Out of range high Measured voltage > 32.0 [V] Terminal 30 ON   100 ms continuous 2 DCY
P32AC - DC/DC converter voltage sensor 2 Range/Performance Rationality low : Plausible check with other sensor measurement US1_3 Input voltage difference between measurements at Safety switch S1_2 and Safety switch S1_3 < -1.0 [V] Terminal 30 ON   100 ms continuous 2 DCY
Rationality high : Plausible check with other sensor measurement US1_3 Input voltage difference between measurements at Safety switch S1_2 and Safety switch S1_3 > 1.0 [V] Terminal 30 ON   100 ms continuous 2 DCY
Safety switch1_3 input supply Voltage Sensor U_Safety switch1_3 P32B0 - DC/DC converter voltage sensor 3 Short circuit to Ground (GND) Short to ground Measured voltage < 1.0 [V] Safety switch S1 Functional Safety (FUSI) Closed Enabled   100 ms continuous 2 DCY
Out of range low Measured voltage < 3.0 [V] Safety switch S1 Functional Safety (FUSI) Closed Enabled   100 ms continuous 2 DCY
P32AF - DC/DC converter voltage sensor 3 Short circuit to B+ Out of range high Measured voltage > 32.0 [V] Terminal 30 ON   100 ms continuous 2 DCY
P32B1 - DC/DC converter voltage sensor 3 Range/Performance Rationality low : Plausible check with other sensor measurement US1_4 Input voltage difference between measurements at Safety switch S1_3 and Safety switch S1_4 < -1.0 [V] Terminal 30 ON   100 ms continuous 2 DCY
Rationality high : Plausible check with other sensor measurement US1_4 Input voltage difference between measurements at Safety switch S1_3 and Safety switch S1_4 > 1.0 [V] Terminal 30 ON   100 ms continuous 2 DCY
Safety switch1_4 input supply Voltage Sensor U_Safety switch1_4 P0E33 - DC/DC Converter Voltage Sensor "A" Low Short to ground Measured voltage < 1.0 [V] Safety switch S1 Functional Safety (FUSI) Closed Enabled   100 ms continuous 2 DCY
Out of range low Measured voltage < 3.0 [V] Safety switch S1 Functional Safety (FUSI) Closed Enabled   100 ms continuous 2 DCY
P0E34 - DC/DC Converter Voltage Sensor "A" High Out of range high Measured voltage > 32.0 [V] Terminal 30 ON   100 ms continuous 2 DCY
P0E32 - DC/DC Converter Voltage Sensor "A" Range/Performance Rationality low : Plausible check with other sensor measurement US1_1 Input voltage difference between measurements at Safety switch S1_4 and Safety switch S1_1 < -1.0 [V] Terminal 30 ON   100 ms continuous 2 DCY
Rationality high : Plausible check with other sensor measurement US1_1 Input voltage difference between measurements at Safety switch S1_4 and Safety switch S1_1 > 1.0 [V] Terminal 30 ON   100 ms continuous 2 DCY
11 V actuator supply check Voltage Sensor - main uC P0608 - Control Module VSS Output "A" Rationality check : Verification with limit values Measured voltage ≤ 10.5 ≥ 15.0 [V] U_Terminal 30 > 4.5 [V] 100 ms continuous Immediately
11 V actuator supply check Voltage Sensor - Safety uC Rationality check : Verification with limit values Measured voltage ≤ 10.5 ≥ 15.0 [V] Safety controller communication U_Terminal 30 ON > 4.5 [-] [V] 100 ms continuous Immediately
Capacitor input voltage U_PUMP_S1 P0609 - Control Module VSS Output "B" Rationality check : Plausibility check with other sensor measurement Difference between measurements at capacitor and main micro controller Terminal_30 ≤ 8.0 ≥15.0 [V] [V] U_Terminal 30 ≤ U_Pump_S 1 (and) > 4.5 [V] [V] 100 ms continuous Immediately
P06B1 - Sensor Power Supply "A" Circuit Low Short to ground Measured voltage < 1.0 [V] Safety controller communication Active   100 ms continuous Immediately
Out of range low Measured voltage < 3.0 [V] Safety controller communication Active   100 ms continuous Immediately
P06B2 - Sensor Power Supply "A" Circuit High Out of range high Measured voltage > 32.0 [V] Safety controller communication Active   100 ms continuous Immediately
Safety Microcontroller supply Voltage Sensor US1_safety_uC C1182 - Power supply sensor 2 Rationality low : Plausible check with other sensor measurement US1_1 Input voltage difference between measurements at Safety micro controller and Safety switch S1_1 < -1.0 [V] Safety switch S1 Safety controller communication Closed Active   100 ms continuous 2 DCY
Rationality high : Plausible check with other sensor measurement US1_1 Input voltage difference between measurements at Safety micro controller and Safety switch S1_1 > 1.0 [V] Safety switch S1 Safety controller communication Closed Active   100 ms continuous 2 DCY
Temperature Sensor absolute value t 1° C converted value t 1 digits P0C39 - DC/DC Converter Temperature Sensor "A" Range/Performance Other Rationality - Erratic intermittent contact check by temperature rate of change Calculated rate of change of measured temperature t1 with time > 2.0 [°C / s] Terminal 30 ON   100 ms continuous Immediately
P0C3B - DC/DC Converter Temperature Sensor "A" High Out of range low Measured temperature < 200 [Digit s] Terminal 30 ON   100 ms continuous Immediately
P0C3A - DC/DC Converter Temperature Sensor "A" Low Out of range high Measured temperature > 4090 [Digit s] Terminal 30 ON   100 ms continuous Immediately
P0C39 - DC/DC Converter Temperature Sensor "A" Range/Performance Rationality low : Plausible check with other sensor measurement Temperature difference between measurements at sensor t1 and t2 < -400 [Digit s] Terminal 30 ON   100 ms continuous 2 DCY
Rationality high : Plausible check with other sensor measurement Temperature difference between measurements at sensor t1 and t2 >400 [Digit s] Terminal 30 ON   100 ms continuous 2 DCY
Temperature Sensor absolute value t2°C converted value t2 digits P0C3E - DC/DC Converter Temperature Sensor "B" Range/Performance Other Rationality - Erratic intermittent contact check using rate of change temperature Calculated rate of change of temperature measurement t2 with time > 2.0 [°C / s] Terminal 30 ON   100 ms continuous Immediately
P0C40 - DC/DC Converter Temperature Sensor "B" High Out of range low Measured temperature < 200 [Digit s] Terminal 30 ON   100 ms continuous Immediately
P0C3F - DC/DC Converter Temperature Sensor "B" Low Out of range high Measured temperature > 4090 [Digit s] Terminal 30 ON   100 ms continuous Immediately
P0C3E - DC/DC Converter Temperature Sensor "B" Range/Performance Rationality low : Plausible check with other sensor measurement Temperature difference between measurements at sensor t2 and t3 < -400 [Digit s] Terminal 30 ON   100 ms continuous 2 DCY
Rationaility high : Plausible check with other sensor measurement Temperature difference between measurements at sensor t2 and t3 >400 [Digit s] Terminal 30 ON   100 ms continuous 2 DCY
Temperature Sensor absolute value t 3° C converted value t 3 digits P0E59 - DC/DC Converter Temperature Sensor "C" Circuit Range/Performance Other Rationality - Erratic intermittent contact check using rate of change temperature Calculated rate of change of temperature measurement t3 with time > 2.0 [°C / s] Terminal 30 ON   100 ms continuous Immediately
P0E5B - DC/DC Converter Temperature Sensor "C" Circuit High Out of range low Measured temperature < 200 [Digit s] Terminal 30 ON   100 ms continuous Immediately
P0E5A - DC/DC Converter Temperature Sensor "C" Circuit Low Out of range high Measured temperature > 4090 [Digit s] Terminal 30 ON   100 ms continuous Immediately
P0E59 - DC/DC Converter Temperature Sensor "C" Circuit Range/Performance Rationality low : Plausible check with other sensor measurement Temperature difference between measurements at sensor t3 and t4 < -400 [Digit s] Terminal 30 ON   100 ms continuous 2 DCY
Rationality high : Plausible check with other sensor measurement Temperature difference between measurements at sensor t3 and t4 >400 [Digit s] Terminal 30 ON   100 ms continuous 2 DCY
P2C8D - DC/DC Converter Temperature Sensor "D" Circuit Range/Performance Other Rationality - Erratic intermittent contact check using rate of change temperature Calculated rate of change of temperature measurement t4 with time > 2.0 [°C / s] Terminal 30 ON   100 ms continuous Immediately
Temperature Sensor absolute value t 4° C converted value t 4 digits P2C8F - DC/DC Converter Temperature Sensor "D" Circuit High Out of range low Measured temperature < 200 [Digit s] Terminal 30 ON   100 ms continuous Immediately
P2C8E - DC/DC Converter Temperature Sensor "D" Circuit Low Out of range high Measured temperature > 4090 [Digit s] Terminal 30 ON   100 ms continuous Immediately
P2C8D - DC/DC Converter Temperature Sensor "D" Circuit Range/Performance Rationality low : Plausible check with other sensor measurement Temperature difference between measurements at sensor t4 and t1 < -400 [Digit s] Terminal 30 ON   100 ms continuous 2 DCY
Rationality high : Plausible check with other sensor measurement Temperature difference between measurements at sensor t4 and t1 >400 [Digit s] Terminal 30 ON   100 ms continuous 2 DCY
Current Sensor Phase_1 Iph.1 P0E53 - DC/DC Converter Current Sensor "A" Circuit Low Short to ground Measured Current_Phase 1 < -44 [A] Terminal 30 ON   100 ms continuous Immediately
P0E54 - DC/DC Converter Current Sensor "A" Circuit High Short to battery Measured Current_Phase 1 > 47.5 [A] Terminal 30 ON   100 ms continuous Immediately
P0E53 - DC/DC Converter Current Sensor "A" Circuit Low Out of range low Measured Current_Phase 1 < -41 [A] Terminal 30 ON   100 ms continuous Immediately
P0E54 - DC/DC Converter Current Sensor "A" Circuit High Out of range high Measured Current_Phase 1 > 44.5 [A] Terminal 30 ON   100 ms continuous Immediately
P0E52 - DC/DC Converter Current Sensor "A" Circuit Range/Performance Rationality low : Plausible check with other sensor measurement Iph.2 Current difference between measurements at phase 1 and 2 < -2.5 [A] Terminal 30 ON   100 ms continuous Immediately
Rationality high : Plausible check with other sensor measurement Iph.2 Current difference between measurements at phase 1 and 2 > 2.5 [A] Terminal 30 ON   100 ms continuous Immediately
Current Sensor Phase_2 Iph.2 P32A0 - DC/DC converter current sensor 2 Short circuit to Ground (GND) Short to ground Measured Current_Phase 2 < -44 [A] Terminal 30 ON   100 ms continuous Immediately
P329F - DC/DC converter current sensor 2 Short circuit to B+ Short to battery Measured Current_Phase 2 > 47.5 [A] Terminal 30 ON   100 ms continuous Immediately
P32A0 - DC/DC converter current sensor 2 Short circuit to Ground (GND) Out of range low Measured Current_Phase 2 < -41 [A] Terminal 30 ON   100 ms continuous Immediately
P329F - DC/DC converter current sensor 2 Short circuit to B+ Out of range high Measured Current_Phase 2 > 44.5 [A] Terminal 30 ON   100 ms continuous Immediately
P32A1 - DC/DC converter current sensor 2 Range/Performance Rationality low : Plausible check with other sensor measurement Iph.3 Current difference between measurements at phase 2 and 3 < -2.5 [A] Terminal 30 ON   100 ms continuous Immediately
Rationality high : Plausible check with other sensor measurement Iph.3 Current difference between measurements at > 2.5 [A] Terminal 30 ON   100 ms continuous Immediately
Current Sensor Phase_3 Iph.3 P32A3 - DC/DC converter current sensor 3 Short circuit to Ground (GND) Short to ground Measured Current_Phase 3 < -44 [A] Terminal 30 ON   100 ms continuous Immediately
P32A2 - DC/DC converter current sensor 3 Short circuit to B+ Short to battery Measured Current_Phase 3 > 47.5 [A] Terminal 30 ON   100 ms continuous Immediately
P32A3 - DC/DC converter current sensor 3 Short circuit to Ground (GND) Out of range low Measured Current_Phase 3 < -41 [A] Terminal 30 ON   100 ms continuous Immediately
P32A2 - DC/DC converter current sensor 3 Short circuit to B+ Out of range high Measured Current_Phase 3 > 44.5 [A] Terminal 30 ON   100 ms continuous Immediately
P32A4 - DC/DC converter current sensor 3 Range/Performance Rationality low : Plausible check with other sensor measurement Iph.4 Current difference between measurements at < -2.5 [A] Terminal 30 ON   100 ms continuous Immediately
Rationality high : Plausible check with other sensor measurement Iph.4 Current difference between measurements at > 2.5 [A] Terminal 30 ON   100 ms continuous Immediately
Current Sensor Phase_4 Iph.4 P0E53 - DC/DC Converter Current Sensor "A" Circuit Low Short to ground Measured Current_Phase 4 < -44 [A] Terminal 30 ON   100 ms continuous Immediately
P0E54 - DC/DC Converter Current Sensor "A" Circuit High Short to battery Measured Current_Phase 4 > 47.5 [A] Terminal 30 ON   100 ms continuous Immediately
P0E53 - DC/DC Converter Current Sensor "A" Circuit Low Out of range low Measured Current_Phase 4 < -41 [A] Terminal 30 ON   100 ms continuous Immediately
P0E54 - DC/DC Converter Current Sensor "A" Circuit High Out of range high Measured Current_Phase 4 > 44.5 [A] Terminal 30 ON   100 ms continuous Immediately
P0E52 - DC/DC Converter Current Sensor "A" Circuit Range/Performance Rationality low : Plausible check with other sensor measurement Iph.5 Current difference between measurements at phase 4 and 5 < -2.5 [A] Terminal 30 ON   100 ms continuous Immediately
Rationality high : Plausible check with other sensor measurement Iph.5 Current difference between measurements at phase 4 and 5 > 2.5 [A] Terminal 30 ON   100 ms continuous Immediately
Current Sensor Phase_5 Iph.5 P32A0 - DC/DC converter current sensor 2 Short circuit to Ground (GND) Short to ground Measured Current_Phase 5 < -44 [A] Terminal 30 ON   100 ms continuous Immediately
P329F - DC/DC converter current sensor 2 Short circuit to B+ Short to battery Measured Current_Phase 5 > 47.5 [A] Terminal 30 ON   100 ms continuous Immediately
P32A0 - DC/DC converter current sensor 2 Short circuit to Ground (GND) Out of range low Measured Current_Phase 5 < -41 [A] Terminal 30 ON   100 ms continuous Immediately
P329F - DC/DC converter current sensor 2 Short circuit to B+ Out of range high Measured Current_Phase 5 > 44.5 [A] Terminal 30 ON   100 ms continuous Immediately
P32A1 - DC/DC converter current sensor 2 Range/Performance Rationality low : Plausible check with other sensor measurement Iph.6 Current difference between measurements at phase 5 and 6 < -2.5 [A] Terminal 30 ON   100 ms continuous Immediately
Rationality high : Plausible check with other sensor measurement Iph.6 Current difference between measurements at phase 5 and 6 > 2.5 [A] Terminal 30 ON   100 ms continuous Immediately
Current Sensor Phase_6 Iph.6 P32A3 - DC/DC converter current sensor 3 Short circuit to Ground (GND) Short to ground Measured Current_Phase 6 < -44 [A] Terminal 30 ON   100 ms continuous Immediately
P32A2 - DC/DC converter current sensor 3 Short circuit to B+ Short to battery Measured Current_Phase 6 > 47.5 [A] Terminal 30 ON   100 ms continuous Immediately
P32A3 - DC/DC converter current sensor 3 Short circuit to Ground (GND) Out of range low Measured Current_Phase 6 < -41 [A] Terminal 30 ON   100 ms continuous Immediately
P32A2 - DC/DC converter current sensor 3 Short circuit to B+ Out of range high Measured Current_Phase 6 > 44.5 [A] Terminal 30 ON   100 ms continuous Immediately
P32A4 - DC/DC converter current sensor 3 Range/Performance Rationality low : Plausible check with other sensor measurement Iph.7 Current difference between measurements at phase 6 and 7 < -2.5 [A] Terminal 30 ON   100 ms continuous Immediately
Rationality high : Plausible check with other sensor measurement Iph.7 Current difference between measurements at phase 6 and 7 > 2.5 [A] Terminal 30 ON   100 ms continuous Immediately
Current Sensor Phase_7 Iph.7 P0E53 - DC/DC Converter Current Sensor "A" Circuit Low Short to ground Measured Current_Phase 7 < -44 [A] Terminal 30 ON   100 ms continuous Immediately
P0E54 - DC/DC Converter Current Sensor "A" Circuit High Short to battery Measured Current_Phase 7 > 47.5 [A] Terminal 30 ON   100 ms continuous Immediately
P0E53 - DC/DC Converter Current Sensor "A" Circuit Low Out of range low Measured Current_Phase 7 < -41 [A] Terminal 30 ON   100 ms continuous Immediately
P0E54 - DC/DC Converter Current Sensor "A" Circuit High Out of range high Measured Current_Phase 7 > 44.5 [A] Terminal 30 ON   100 ms continuous Immediately
P0E52 - DC/DC Converter Current Sensor "A" Circuit Range/Performance Rationality low : Plausible check with other sensor measurement Iph.8 Current difference between measurements at phase 7 and 8 < -2.5 [A] Terminal 30 ON   100 ms continuous Immediately
Rationality high : Plausible check with other sensor measurement Iph.8 Current difference between measurements at phase 7 and 8 > 2.5 [A] Terminal 30 ON   100 ms continuous Immediately
Current Sensor Phase_8 Iph.8 P32A0 - DC/DC converter current sensor 2 Short circuit to Ground (GND) Short to ground Measured Current_Phase 8 < -44 [A] Terminal 30 ON   100 ms continuous Immediately
P329F - DC/DC converter current sensor 2 Short circuit to B+ Short to battery Measured Current_Phase 8 > 47.5 [A] Terminal 30 ON   100 ms continuous Immediately
P32A0 - DC/DC converter current sensor 2 Short circuit to Ground (GND) Out of range low Measured Current_Phase 8 < -41 [A] Terminal 30 ON   100 ms continuous Immediately
P329F - DC/DC converter current sensor 2 Short circuit to B+ Out of range high Measured Current_Phase 8 > 44.5 [A] Terminal 30 ON   100 ms continuous Immediately
P32A1 - DC/DC converter current sensor 2 Range/Performance Rationality low : Plausible check with other sensor measurement Iph.1 Current difference between measurements at phase 8 and 1 < -2.5 [A] Terminal 30 ON   100 ms continuous Immediately
Rationality high : Plausible check with other sensor measurement Iph.1 Current difference between measurements at phase 8 and 1 > 2.5 [A] Terminal 30 ON   100 ms continuous Immediately
Fan Current Sensor I_fan P0691 - Fan 1 Control Circuit Low Short to ground Measured Current at Fan terminal < 0.015 [A] Terminal 30 ON [%] 100 ms continuous 2 DCY
P0692 - Fan 1 Control Circuit High Short to battery Measured Current at Fan terminal > 1.1 [A] Terminal 30 ON [%] 100 ms continuous 2 DCY
P0691 - Fan 1 Control Circuit Low Out of range low Measured Current at Fan terminal < 0.03 [A] Fan duty cycle ≥ 60 [%] 100 ms continuous 2 DCY
P0692 - Fan 1 Control Circuit High Out of range high Measured Current at Fan terminal > 1.0 [A] Fan duty cycle ≥ 60 [%] 100 ms continuous 2 DCY
P0480 - Fan 1 Control Circuit Rationality low : Plausible check with duty cycle (x) based limit value (y) Measured Current at Fan terminal is evaluated with limit value see sheet fan compensation [mA] Fan duty cycle ≥ 60 [%] 100 ms continuous 2 DCY
Rationality high : Plausible check with duty cycle (x) based limit value (y) Measured Current at Fan terminal is evaluated with limit value see sheet fan compensation [mA] Fan duty cycle ≥ 60 [%] 100 ms continuous 2 DCY
FAN actuator functional check B126B - Housing fan FAN open circuit / not plugged in to circuit Measured current at Fan terminal < 0.015 [A] Terminal 30 ON   100 ms continuous 2 DCY
P0480 - Fan 1 Control Circuit FAN overload failure Measured current at Fan terminal > 1.2 [A] Terminal 30 ON   100 ms continuous 2 DCY
P2C41 - Fan 3 Performance/Stuck Off FAN Blocked condition check by comparing fan terminal current measurement with duty cycle (x) based limit value (y) Calculated fan speed based on current measurement is lower than limit value see sheet fan compensation [1/mi n] Fan duty cycle ≥ 60 [%] 100 ms continuous 2 DCY
C106B - Wheel speed sensor FAN Broken condition check by comparing fan terminal current measurement with duty cycle (x) based limit value (y) Calculated fan speed based on current measurement is higher than limit value see sheet fan compensation [1/mi n] Fan duty cycle ≥ 60 [%] 100 ms continuous 2 DCY
Overall System Performance Check P0D32 - DC/DC Converter "A" Over Temperature Measured temperature from all 4 sensors Maximum temperature out of all sensor measurements > 85 [°C] Terminal 30 ON   100 ms continuous Immediately
P1B3A - Power supply sensor 1 insufficient voltage Terminal 30_Under voltage with shut off detected Measured voltage Terminal 30 < 4 [V] Terminal 30 ON   100 ms continuous 2 DCY
P0E56 - DC/DC Converter Input Voltage Too Low Terminal 40_Under voltage with shut off detected Measured voltage Terminal 40 < 17 [V] Terminal 40 Precharge ON Completed   100 ms continuous 2 DCY
P1CB3 - DC/DC converter (48V) internal malfunction Conversion efficiency out of limit Ratio of output power to input power is conversion efficiency. The calculated value is compared with input current (x) based high and low efficiency limit values (y). The input current x is the sum of all 8 current sensor measurements High limit y = +100.1082915x0 -0.005853603x1 -4.57111e-5x2 +1.18206e-7x3 +1.12654e-11x4 ymax =100 Low limit = +78.50336709x0 +0.831397432x1 -0.020975461x2 +0.000268758x3 -1.89771e-6x4 +7.37869e-9x4 -1.47418e-11x5 +1.1789e-14x6 y min =84 [%] I_Terminal 30 U_Terminal 30 DCDC output power ≥ 8 > 9 ≥ 100 [A] [V] [W] 100 ms continuous 2 DCY
P108F - Pre-load faulty or disconnected Time to charge 48 V system to expected level Elapsed time since precharge start > 10 [s] Terminal 30 ON   Only during precharge Immediately
P168F - System malfunction Since DCDC interfaces between 12 V and 48 V system, some of the functional safety reactions will shut down the system function. This monitor is included to inform vehicle user about such shutdown caused by safety failure DCDC converter state Functional safety failure Shut down Present [-] Terminal 30 ON   100 ms continuous Immediately
B17D8 - Inconsistent configuration detected Functional check of applicable OBD software configuration CAN Signal Data set variable : OBD Mode = US_OBD = 1 [-] Terminal 30 OBD_Config_Check ON Possible   100 ms continuous 2 DCY
Micro controller Internal Error P0604 - Internal Control Module Random Access Memory (RAM) Error RAM monitor Number of internal RAM errors > 10 [-] Terminal 30 ON   100 ms continuous Immediately
P0605 - Internal Control Module Read Only Memory (ROM) Error ROM monitor Number of internal ROM errors > 5 [-] Terminal 30 ON   100 ms continuous Immediately
P062F - Internal Control Module EEPROM Error NVM Monitor Stored and calculated checksum NOT MATCHING [-] Initialization ON   Only during initialization Immediately
B202F - Ctrl. mod. internal sys. malfunction watchdog WD monitor Number of consecutive WD resets > 5 [-] Initialization ON   Only during initialization Immediately
U1201 - Data bus no communication CAN_RAM monitor Internal error detected at CAN RAM portion TRUE [-] Initialization ON   Only during initialization Immediately
CAN Communication failures U1121 - Databus missing message Time out check CAN messages BMS_MV_01 or BMS_MV_12 or Motor_Code_01 or Motor_EV_01 or Motor_07 or MVK_01 or Klemme_status_01 or Systeminfo_01 No update for > 0.5 > 1.0 > 5.0 > 1.0 > 5.0 > 0.5 > 1.0 > 5.0 [s] [s] [s] [s] [s] [s] [s] [s] H_CAN_diagnostics Enabled   100 ms continuous 2 DCY
U134F - Data bus Signal not initialized Invalid Value BMS_MV_01 BMS_MV_12 Invalid value detection [-] CAN_diag Enabled   100 ms continuous 2 DCY
U1123 - Databus error value received Error value BMS_MV_01 BMS_MV_12 ERROR [-] CAN_diag Enabled   100 ms continuous 2 DCY
U13B2 - Target mode unknown Invalid value MVK_01 ERROR [-] CAN_diag Enabled   100 ms continuous 2 DCY
U1122 - Databus implausible message CRC failure Message - MVK_01 ERROR [-] CAN_diag Enabled   100 ms continuous 2 DCY
U1201 - Data bus no communication Global time out check or Bus off check CAN_Global TIMEOUT [-] Terminal30 ON   100 ms continuous 2 DCY
Safety micro controller internal failure B17D9 - Safety controller Safety Controller software version mismatch Communication from safety micro controller Software ID matches with stored values Enabled Not matching [-] Initialization ON   Only during initialization Immediately
Safety controller not working Safety controller communication request Not answered [-] Initialization ON   100 ms continuous Immediately
DCDC Converter control loop monitor P06D1 - Internal Control Module Ignition Coil Control Performance Failure occurrence frequency Number of failure occurrences Time window > 5 > 10 [num bers] [minu tes] Initialization ON   100 ms continuous Immediately
Precharge function monitor P33F0 - High-voltage system activation Malfunction Terminal 40_Precharge rationality Voltage difference between target and measured voltage @ time since precharge start as percentage of target ramp time > 3 > 170 [V] [%] of time Precharge Enabled   Only during precharge 2 DCY
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