Subaru Crosstrek Service Manual: Dtc b1571 reference code incompatibility (immobilizer cm to ecm)
KEYLESS ACCESS WITH PUSH BUTTON START SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC B1571 REFERENCE CODE INCOMPATIBILITY (IMMOBILIZER CM TO ECM)
DTC detecting condition:
Incompatibility of reference code between keyless access CM (model without ID code box) or ID code box (model with ID code box) and ECM occurs.
Trouble symptom:
Engine will not start.
| STEP | CHECK | YES | NO |
1.CHECK ECM.
Perform ECM registration. Refer to the “REGISTRATION MANUAL FOR IMMOBILIZER” provided as a separate volume.
Is ECM registration finished? And does the engine start?
ECM registration was not performed properly.
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B1571 REFERENCE CODE INCOMPATIBILITY (IMMOBILIZER CM TO ECM)">Go to Step 2.
2.REPLACE ECM.
1) Install the ECM from other normal operating vehicle (with push button start) which use same ECM to the vehicle to be diagnosed.
2) Perform ECM registration. Refer to the “REGISTRATION MANUAL FOR IMMOBILIZER” provided as a separate volume.
Is ECM registration finished? And does the engine start?
Replace the ECM. Engine Control Module (ECM) > REMOVAL"> Install the ECM from other vehicle to the original vehicle.
Replace Keyless access CM (model without ID code box), Keyless Access CM"> or replace ID code box (model with ID code box). ID Code Box">
Dtc b1577 imm control module eeprom
KEYLESS ACCESS WITH PUSH BUTTON START SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC B1577 IMM CONTROL MODULE EEPROM1. EXCEPT FOR C0 AND C5 MODELSDTC detecting co ...
Dtc u0155 lost communication with instrument panel cluster (ipc) control module
KEYLESS ACCESS WITH PUSH BUTTON START SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0155 LOST COMMUNICATION WITH INSTRUMENT PANEL CLUSTER (IPC) CONTROL MODULEDe ...
Other materials:
Dtc p0604 internal control module random access memory (ram) error
ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC P0604 INTERNAL CONTROL MODULE RANDOM ACCESS MEMORY (RAM) ERRORDTC DETECTING CONDITION:Immediately at fault recognitionTROUBLE SYMPTOM:• Engine does not start• Engine stallCAUTION:After servicing or ...
Installation
SECURITY AND LOCKS > Front Hood Lock AssemblyINSTALLATION1. Before installation, check the following items.• Is the cable deformed?• Grease is applied sufficiently to cable joints.If grease is insufficient, add it as necessary before assembling the cable.2. Install each part in the re ...
Dtc b28a2 eyesight communication(vdc)
EyeSight (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC B28A2 EyeSight COMMUNICATION(VDC)Detected when the VDC control module (VDCCM) detects the malfunction of stereo camera.DTC DETECTING CONDITION:• Defective CAN system• Defective VDC control module (VDCC ...
