← View Generic B0173 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2017 Toyota CAMRY
B0173: B0173: Exterior Light Malfunction
on 2017 Toyota CAMRY
Fix Cost
$50 - $200
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
✅ Yes
Save money
Your Vehicle
2017 Toyota
CAMRY
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Important for 2017 Toyota CAMRY Owners
Before starting repairs, verify which engine your 2017 Toyota CAMRY has. Check your VIN or engine code to ensure you order the correct parts.
📖 What Does B0173 Mean on 2017 Toyota CAMRY?
The body control module (BCM) has detected a malfunction in the exterior lighting system, such as a faulty headlight, taillight, or turn signal.
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Symptoms
- • Dim or inoperable exterior lights
- • flickering lights
- • or lights that do not turn off when the ignition is turned off.
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Common Causes
- • Faulty exterior light bulb
- • wiring issue
- • or body control module malfunction.
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How to Fix B0173 on 2017 Toyota CAMRY
1. Inspect and replace faulty exterior light bulbs. 2. Check and repair any damaged or corroded wiring. 3. Update the body control module software if necessary.
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Need Maintenance Info for Your CAMRY?
Get oil capacity, filter specs, and torque settings for your specific 2017 Toyota CAMRY.
View 2017 Toyota CAMRY SpecsParts for 2017 Toyota CAMRY
Essential Tool
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Related Diagnostic Codes
Other codes that may appear with B0173
B0171
Sequential Code
B0171: Power Window Circuit Malfunction
Medium
B0172
Sequential Code
B0172: Seat Switch Circuit Malfunction
Medium
B0174
Sequential Code
B0174: Body Control Module (BCM) Security System Malfunction
Medium
B0175
Sequential Code
B0175: Audio System Malfunction
Medium
💡 Why These Codes Are Related:
- • Similar Issues: Same root cause or component failure
- • Related Problems: Often occur together due to system interactions
- • Sequential Codes: Progressive failure stages or multiple sensors
- • Same System: Components within the same automotive system