Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Mazda >> 2020 >> CX-5 Signature >> Repair and Diagnosis >> External Pages >> Different car >> Section 284 (On-Board Diagnostic - Blind Spot Monitoring (BSM) Control Module) >> DTC U0515-68: Error Signal Received From Start Stop Unit [Blind Spot Monitoring (BSM) Control Module] >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2020 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.
DTC U0515:68 (BLIND SPOT MONITORING CONTROL MODULE) DIAGNOSTIC PROCEDURE

STEP Inspection ACTION
1 VERIFY START STOP UNIT DTCs
Yes Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [START STOP UNIT] .)
No Go to the next step.
2 VERIFY INSTRUMENT CLUSTER DTCs
Yes Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [INSTRUMENT CLUSTER] .)
No Go to the next step.
3 VERIFY THAT REPAIRS HAVE BEEN COMPLETED
Yes Replace the blind spot monitoring (BSM) control module (LH), then go to the next step.
(See BLIND SPOT MONITORING (BSM) CONTROL MODULE REMOVAL/INSTALLATION .)
No Go to the next step.
4 VERIFY IF OTHER DTCs DISPLAYED
  • Are any other DTCs displayed?
Yes Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [BLIND SPOT MONITORING (BSM) CONTROL MODULE] .)
No DTC troubleshooting completed.