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Multiplex Communication System Diagnostic Trouble Codes

HS-CAN

DTC Output Unit DTC Description Reference
PCM(2) U0073:00(1) CAN system communication error (See DTC U0001:88, U0073:00 .)
U0101:00 Communication error to TCM (See DETERMINING MALFUNCTIONING PART (HS-CAN) [MULTIPLEX COMMUNICATION SYSTEM] .)
U0121:00 Communication error to DSC HU/CM
U0140:00 Communication error to BCM
U0151:00 Communication error to SAS control module
U0155:00 Communication error to instrument cluster
PCM(3) U0101:00 Communication error to TCM (See DETERMINING MALFUNCTIONING PART (HS-CAN) [MULTIPLEX COMMUNICATION SYSTEM] .)
U0140:00 Communication error to BCM
DSC HU/CM U0001:88(1) CAN system communication error (See DTC U0001:88, U0073:00 .)
U0100:00 Communication error to PCM (See DETERMINING MALFUNCTIONING PART (HS-CAN) [MULTIPLEX COMMUNICATION SYSTEM] .)
U0101:00 Communication error to TCM
U0140:00 Communication error to BCM
U0155:00 Communication error to instrument cluster
U0214:00 Communication error to keyless control module
U0401:00(1) Signal error from PCM (See DTC U0401:00/U0401:68 [DYNAMIC STABILITY CONTROL (DSC)] .)
U0401:68(1) Signal error from PCM
U0402:00(1) Signal error from TCM (See DTC U0402:00 [DYNAMIC STABILITY CONTROL (DSC)] .)
TCM (FS5A-EL)(4) U0073:00(1) CAN system communication error (See DTC U0001:88, U0073:00 .)
U0100:00 Communication error to PCM (See DETERMINING MALFUNCTIONING PART (HS-CAN) [MULTIPLEX COMMUNICATION SYSTEM] .)
TCM (AY6A-EL)(4) U0073:00(1) CAN system communication error (See DTC U0001:88, U0073:00 .)
U0100:00 Communication error to PCM (See DETERMINING MALFUNCTIONING PART (HS-CAN) [MULTIPLEX COMMUNICATION SYSTEM] .)
U0121:00 Communication error to DSC HU/CM
U0140:00 Communication error to instrument cluster
U0415:00(1) Invalid data received from DSC HU/CM (wheel speed) (See DTC U0415:00 [AY6A-EL] .)
Keyless control module(5) U0001:88(1) Unit communication error (HS-CAN) (See DTC U0001:88, U0073:00 .)
U0100:00 Communication error to PCM (See DETERMINING MALFUNCTIONING PART (HS-CAN) [MULTIPLEX COMMUNICATION SYSTEM] .)
U0121:00 Communication error to DSC HU/CM
U0401:68(1) Signal error from PCM (See DTC U0401:68 [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM] .)
BSM control module(6) U0001:88(1) CAN system communication error (See DTC U0001:88, U0073:00 .)
U0100:00 Communication error to PCM (See DETERMINING MALFUNCTIONING PART (HS-CAN) [MULTIPLEX COMMUNICATION SYSTEM] .)
U0101:00 Communication error to TCM
U0140:00 Communication error to BCM
U0232:00 Communication error to BSM control module (LH)
U0233:00 Communication error to BSM control module (RH)
U0401:68(1) Signal error from PCM (See DTC U0401:68 [BLIND SPOT MONITORING (BSM)] .)
U0402:68(1) Signal error from TCM (See DTC U0402:68 [BLIND SPOT MONITORING (BSM)] .)
U0422:68(1) Signal error from BCM (See DTC U0422:68 [BLIND SPOT MONITORING (BSM)] .)
U0533:68(1) Signal error from BSM control module (LH) (See DTC U0533:68 [BLIND SPOT MONITORING (BSM)] .)
U0534:68(1) Signal error from BSM control module (RH) (See DTC U0534:68 [BLIND SPOT MONITORING (BSM)] .)
SAS control module U0001:88(1) CAN system communication error (See DTC U0001:88, U0073:00 .)
U0155:00 Communication error to instrument cluster (See DETERMINING MALFUNCTIONING PART (HS-CAN) [MULTIPLEX COMMUNICATION SYSTEM] .)
BCM U0001:88(1) Unit communication error (HS-CAN) (See DTC U0001:88, U0073:00 .)
U0100:00 Communication error to PCM (See DETERMINING MALFUNCTIONING PART (HS-CAN) [MULTIPLEX COMMUNICATION SYSTEM] .)
U0101:00 Communication error to TCM
U0151:00 Communication error to SAS control module
U0214:00 Communication error to keyless control module
U0401:68(1) Signal error from PCM (See DTC U0401:68 [BCM] .)
U0402:68(1) Signal error from TCM (See DTC U0402:68 [BCM] .)
Instrument cluster U0001:88(1) Module communication error (HS-CAN) (See DTC U0001:88, U0073:00 .)
U0100:00 Communication error to PCM (See DETERMINING MALFUNCTIONING PART (HS-CAN) [MULTIPLEX COMMUNICATION SYSTEM] .)
U0100:87(1) Communication error between the instrument cluster and the PCM (no response) (See SECURITY LIGHT: 16, DTC: U0100:87/P1260:00 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM)] .)
U0101:00 Communication error to TCM (See DETERMINING MALFUNCTIONING PART (HS-CAN) [MULTIPLEX COMMUNICATION SYSTEM] .)
U0121:00 Communication error to DSC HU/CM
U0140:00 Communication error to BCM
U0151:00 Communication error to SAS control module
U0214:00 Communication error to keyless control module
U0233:00 Communication error to BSM control module (RH)
U0401:68(1) Signal error from PCM (See DTC U0401:68 [INSTRUMENT CLUSTER] .)
U0402:68(1) Signal error from TCM (See DTC U0402:68 [INSTRUMENT CLUSTER] .)
U0415:68(1) Signal error from DSC HU/CM (See DTC U0415:68 [INSTRUMENT CLUSTER] .)
U0515:68(1) Signal error from keyless control module (See DTC U0515:68 [INSTRUMENT CLUSTER] .)
(1) If only the target DTCs are displayed, perform the corresponding DTC inspection without determining the open circuit location. 
(2) MZR 2.5 
(3) MZI 3.7 V6 
(4) ATX 
(5) With advanced keyless entry and push button start system 
(6) With BSM system 
MS-CAN

DTC Output Unit DTC Description Reference
Instrument cluster U0010:88(1) CAN system communication error (MS-CAN) (See DTC U0010:88, 01:ER, 16:ER11, 16:ER12, 26:ER81 .)
U0164:00 Communication error to climate control unit (See DETERMINING MALFUNCTIONING PART (MS-CAN) [MULTIPLEX COMMUNICATION SYSTEM] .)
Climate control unit(2) U0010:88(1) CAN system communication error (See DTC U0010:88, 01:ER, 16:ER11, 16:ER12, 26:ER81 .)
U0155:00 Communication error to instrument cluster (See DETERMINING MALFUNCTIONING PART (MS-CAN) [MULTIPLEX COMMUNICATION SYSTEM] .)
U0184:00 Communication error to audio unit/car-navigation unit
U0423:68 Invalid date received from Instrument cluster
Bluetooth unit (with audio system)(3) Device code 26:Error code 81(1) CAN system communication error (See DTC U0010:88, 01:ER, 16:ER11, 16:ER12, 26:ER81 .)
Bluetooth unit (with audio system)(4) 26:Er81(1) CAN system communication error
Bluetooth unit (with car-navigation system) Device code 26:Error code 81(1) CAN system communication error
Audio unit (with audio system)(3) Device code 16:Error code 11(1) CAN system communication error (See DTC U0010:88, 01:ER, 16:ER11, 16:ER12, 26:ER81 .)
Device code 16:Error code 12(1) CAN system communication error
Audio unit (with audio system)(4) 16:Er11(1) CAN system communication error (See DTC U0010:88, 01:ER, 16:ER11, 16:ER12, 26:ER81 .)
16:Er12(1) CAN system communication error
Car-navigation unit (with car-navigation system) Device code 16:Error code 12(1) CAN system communication error (See DTC U0010:88, 01:ER, 16:ER11, 16:ER12, 26:ER81 .)
Device code 17:Error code 11 Communication error to instrument cluster (See DETERMINING MALFUNCTIONING PART (MS-CAN) [MULTIPLEX COMMUNICATION SYSTEM] .)
Information display(5) U0001088(1) CAN system communication error (MS-CAN) (See DTC U0010:88, 01:ER, 16:ER11, 16:ER12, 26:ER81 .)
U015500HEC Communication error to instrument cluster (See DETERMINING MALFUNCTIONING PART (MS-CAN) [MULTIPLEX COMMUNICATION SYSTEM] .)
U016400EATC Communication error to climate control unit
U018400ACU Communication error to audio unit
Information display(6) 01:Er(1) CAN system communication error (MS-CAN) (See DTC U0010:88, 01:ER, 16:ER11, 16:ER12, 26:ER81 .)
02:3E Communication error to instrument cluster (See DETERMINING MALFUNCTIONING PART (MS-CAN) [MULTIPLEX COMMUNICATION SYSTEM] .)
02:2E Communication error to climate control unit
02:1E Communication error to audio unit
(1) If only the target DTCs are displayed, perform the corresponding DTC inspection without determining the open circuit location. 
(2) With full-auto air conditioner 
(3) With display (audio unit) 
(4) Without display (audio unit) 
(5) Information display (type A) 
(6) Information display (type B) 
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