Subaru Legacy BN/BS (2015-2019) Service Manual: Diagnostic procedure with diagnostic trouble code (dtc)
Subaru Legacy BN/BS (2015-2019) Service Manual / Keyless access with push button start system (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc)
- Dtc u0073 control module communication bus off
- Dtc u0100 lost communication with ecm/pcm "a"
- Dtc u0422 invalid data received from body control module
- Dtc u0401 invalid data received from ecm/pcm "a"
- Dtc u0155 lost communication with instrument panel cluster (ipc) control module
- Dtc b2793 back up power
- Dtc b1571 reference code incompatibility (immobilizer cm to ecm)
- Dtc b1577 imm control module eeprom
- Dtc b1576 egi control module eeprom
- Dtc b1572 imm circuit except antenna circuit
- Dtc b27a8 trunk/rear gate external antenna open
- Dtc b27a7 trunk/rear gate internal antenna open
- Dtc b27a6 rear internal antenna open
- Dtc b27a5 front internal antenna open
- Dtc b27a2 passenger side external antenna open
- Dtc b27a1 driver side external antenna open
- Dtc b278d id code box judgment circuit
- Dtc b278a push engine switch power supply circuit
- Dtc b2790 id code box circuit
- Dtc b2789 id code box communication
- Dtc b2788 ign signal correlation (steering lock cm)
- Dtc b2786 steering lock cm communication
- Dtc b2785 lin communication
- Dtc b2784 antenna circuit (push engine switch)
- Dtc b2782 steering lock drive request signal correlation
- Dtc b2781 steering lock cm control circuit
- Dtc b2779 remote control engine starter collation
- Dtc b2286 engine speed signal(without auto start stop)
- Dtc b2285 steering lock position signal correlation
- Dtc b2284 brake signal correlation
- Dtc b2283 vehicle speed sensor
- Dtc b2282 vehicle speed signal correlation
- Dtc b2277 submerging circuit
- Dtc u0140 lost communication with body control module
- Dtc u0122 lost communication with vehicle dynamics control module
- Dtc b2276 acc relay off signal
- Dtc b2275 engine start request control circuit
- Dtc b2274 acc relay control circuit
- Dtc b2271 ign relay control circuit
- Dtc u0101 lost communication with tcm
Electrical specification
1. KEYLESS ACCESS CMTerminal No.ContentsMeasuring conditionStandard(i75) No. 1 ←> Chassis groundGroundAlways *1Less than 1 -(i75) No. 2 ←> 1Immobilizer signal reception (ignition switch)Wait ...
Dtc u0073 control module communication bus off
Detected when CAN line abnormality is detected.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...
Other materials:
Installation
1. SEDAN MODEL1. Install the keyless entry control module.Tightening torque:7.5 N·m (0.8 kgf-m, 5.5 ft-lb)2. Install the trim panel assembly - rear shelf. Rear Shelf Trim > INSTALLATION3. Connect the ground terminal to battery sensor. NOTE2. OUTBACK MODEL1. Install the keyless entry control ...
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