Honda 2007 CR-V Service Manual page 28

Honda Remote Control Starter System Service Manual: 2007 CR-V
Remote Starter Diagnostic Trouble Code Chart.
DTC
B2251 Faulty Internal CPU
B2252 Faulty Internal ROM
B2255 Loss of Communication between R/C Engine starter and Door Switches
B2256 Loss of Communication between R/C engine starter and
Tailgate/Key/brake lamp switch
B2257 Loss of Communication between R/C Engine starter and AT P position
Switch
B2258 Loss of Communication between R/C Engine starter and engine
speed/vehicle speed and charge lamp circuit
B2259 Loss of Communication between hood switch and R/C Engine Starter
B2262 Loss of communication between R/C engine starter and Door
lock/unlock knob switch.
B2263 Loss of communication between R/C engine starter and Engine Oil
pressure switch/Malfunction indicator light.
DTC B2251
Diagnosis: Faulty Internal CPU
Repair Procedure: Replace R/C starter Control Unit.
DTC B2252
Diagnosis: Faulty Internal ROM
Repair Procedure: Replace R/C starter Control Unit.
DTC B2255
Diagnosis: Loss of Communication between R/C Engine starter and door Switches
Repair Procedure:
1. Refer to the vehicles service manual and
inspect door switch for proper operation.
Are all door switches functioning properly
YES – Go to step 2
NO – Replace Door switch.
2. Refer to vehicle service manual and inspect
the wiring from all door switches to the MICU
Is there continuity?
YES – Replace MICU.
NO – Repair the open or short in the wire.
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Table of Contents
Code Description
Loss of Communication DTCs
B2255: Door switch
B2256: MICU
Tailgate switch
Key Switch
Brake Light Switch
Low Battery Power Supply