B2567

Reverse Mirror Output Circuit Failure

Body Chassis/Safety Mirror Control 🟢 Low — Fix at next service ✅ Safe to Drive
💬

What This Actually Means

In plain language — no jargon

The vehicle's reverse mirror control circuit isn't working properly, similar to a broken electrical outlet that won't power a device. The ECU detected an open or short circuit preventing the mirror from functioning during reverse gear.

⚡

Symptoms You May Notice

3 known symptoms for this code
Reverse mirror does not move or adjust when in reverse gear
Mirror control buttons unresponsive or intermittent
Dashboard warning light or mirror fault indicator illuminated
🔬

How Your ECU Detects This

Technical sensor logic and voltage thresholds

The ECU monitors the output voltage and current draw of the reverse mirror control circuit, expecting specific resistance and power delivery when reverse is engaged. It detects faults when voltage is absent, excessive, or current draw is out of range, indicating an open or shorted circuit.

Voltage & Parameter Thresholds

ParameterNormal RangeFault Condition
Output Voltage 12-14V when activated 0V or >14.5V sustained
Circuit Current Draw 0.5-2.5A during mirror operation <0.1A or >3A
🔧

Diagnostic & DIY Fix Guide

Check these in order — from cheapest to most complex
1
Fuse or relay for mirror circuit
Check and replace the reverse mirror fuse in the fuse box; inspect for blown fuse or corroded contacts.
2
Mirror connector and wiring harness
Inspect the mirror connector and wiring for corrosion, loose pins, or damaged insulation and reconnect firmly.
3
Reverse mirror motor assembly
If connector and wiring are clean, the mirror motor itself has likely failed internally and requires replacement.
⚠️

When to See a Professional Mechanic

Not all fault codes are safe to DIY

Code B2567 is a low-severity fault. Your vehicle is generally safe to drive to a workshop for diagnosis. However, do not ignore it indefinitely — low-severity codes often indicate developing problems that become expensive if neglected. Book a diagnostic appointment within 2–4 weeks. If you notice any additional symptoms (rough running, power loss, unusual smells), treat it as higher priority.

Safety note: OBD-II codes identify the system or circuit where a fault was detected — they do not always identify the exact failed component. A professional mechanic using live sensor data will diagnose the root cause more accurately than replacing parts based on the code alone.
🔄

How to Clear Code B2567

What happens after you fix the fault

Once the fault is repaired, B2567 can be cleared using any OBD-II scanner. Connect the scanner, navigate to "Clear Codes" or "Erase DTCs," and confirm. The check engine light turns off immediately.

The code will return if the root cause was not actually fixed. The ECM re-detects the fault within 1–3 drive cycles and sets the code again.

✅ Safe to Clear When
  • Fault has been diagnosed and repaired
  • You want to confirm the repair worked
  • Code appeared after a sensor was cleaned
⚠️ Do Not Clear When
  • Preparing for an emissions/PUC test
  • Root cause is still undiagnosed
  • Check engine light is flashing
Emissions test note: Clearing codes resets OBD readiness monitors. Most vehicles need 50–100 km of mixed driving before monitors complete. Do not clear codes immediately before an emissions or PUC inspection.