Fault code lookup

Results for “C123”

Fault codes 33

Results match keywords in the stored descriptions. Codes you typed are shown first.

CodeDescriptionBrandsSystem
C1230Seat height adjustment sensor - driver's12Chassis
C1231Control unit internal fault25Chassis
C1232Seat tilt adjustment sensor - passenger's15Chassis
C1233Seat height adjustment sensor - passenger's17Chassis
C1234Seat forward/rearward sensor - passenger's19Chassis
C1235Seat forward/rearward sensor - driver's19Chassis
C1236Vehicle speed signal invalid27Chassis
C1237This test guides the operator with setting the sensitivity of the microwave sensors and C123817Chassis
C1238This test guides the operator with setting the sensitivity of the microwave sensors C1237 and11Chassis
C1239Check the wiring between %ecu and HVAC Interface Module13Chassis
Show 15 more matches on this page
CodeDescriptionBrandsSystem
C123AIf C2206, and/or C2202 are active then continue, else if any other ABS DTCs are active correct those first before continuing11Chassis
C123BElectronic Brake Control Module RAM Program Overflow10Chassis
C123CElectronic Brake Control Module RAM Malfunction8Chassis
C123DElectronic Brake Control Module Solenoid Valve Timeout7Chassis
C123EElectronic Brake Control Module RAM Periodic Interrupt7Chassis
C123FSystem Voltage Low7Chassis
C123204FCM ECU Hardware Error1Chassis
C123216Battery Voltage Low Error1Chassis
C123217Battery Voltage High Error1Chassis
C123246FCM Out of Calibration Range1Chassis
C123249FCM ECU Software Error1Chassis
C123254FCM System Calibration Required1Chassis
C123297FCM Camera Blockage1Chassis
C123300EPS Not Honouring LKA Request1Chassis
C123497Radar Blockage Error1Chassis
CodeDescriptionBrandsSystem
C123AIf C2206, and/or C2202 are active then continue, else if any other ABS DTCs are active correct those first before continuing11Chassis
C123BElectronic Brake Control Module RAM Program Overflow10Chassis
C123CElectronic Brake Control Module RAM Malfunction8Chassis
C123DElectronic Brake Control Module Solenoid Valve Timeout7Chassis
C123EElectronic Brake Control Module RAM Periodic Interrupt7Chassis
C123FSystem Voltage Low7Chassis
C123204FCM ECU Hardware Error1Chassis
C123216Battery Voltage Low Error1Chassis
C123217Battery Voltage High Error1Chassis
C123246FCM Out of Calibration Range1Chassis
C123249FCM ECU Software Error1Chassis
C123254FCM System Calibration Required1Chassis
C123297FCM Camera Blockage1Chassis
C123300EPS Not Honouring LKA Request1Chassis
C123497Radar Blockage Error1Chassis
Advanced: scanner vehicle and live-data matches

Vehicles 4

Vehicle data covers only some brands. These matches come from scanner data, not from a full vehicle index, so treat them as approximate.

BrandModel / variantDetails
Mercedes-BenzEnable_DEF@BC_F.Istwerte_RelativeURL@41c123ae%87619
VolkswagenThis test guides the operator with setting the sensitivity of the microwave sensors and C1238code C1237
VolkswagenThis test guides the operator with setting the sensitivity of the microwave sensors C1237 andcode C1238
ChryslerIf C2206, C123A, and/or are active then continue, else if any other ABS DTCs are active correct those first before continuingcode C2202

Live data 1

BrandParameterUnitsMinMax
Mercedes-BenzEnable_DEF@BC_F.Istwerte_RelativeURL@41c123ae%87619---

These tables come from diagnostic data. They are useful for advanced users and can be ignored for a normal code lookup.

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