Fix Cost
$100 - $500
Parts & Labor
Difficulty
3/5
Moderate
1-2 hours
DIY Possible?
❌ No
Pro recommended
Category
Body
System
📖 What Does B0129 Mean?
The climate control module has detected a fault, which may be causing issues with the air conditioning or heating system.
⚠️
Symptoms
- • Inconsistent air flow
- • unusual noises
- • or no air flow at all from the vents
- • temperature fluctuations
- • or error messages on the climate control display.
🔍
Common Causes
- • Faulty climate control module
- • faulty temperature sensor
- • clogged air ducts
- • or a malfunctioning blower motor.
Fix Guide
🛠️
Possible Solutions
1. Check the climate control module for any signs of physical damage or corrosion. 2. Inspect the temperature sensor for any signs of damage or malfunction. 3. Check the air ducts for any blockages or damage. 4. Test the blower motor to ensure it's functioning properly. 5. If necessary, replace the faulty component.
Required Parts
Tools
multimeter
air duct cleaning kit
blower motor tester
👨🔧
Need a Pro?
Complex codes like B0129 can be tricky. Don't risk it if you're unsure.
Quick Stats
Severity
Medium
DIY Friendly
No
Est. Time
1-2 hours
🔗
Related Diagnostic Codes
Other codes that may appear with B0129
B0100
Same System
B0100: Seat Position Sensor Malfunction
Medium
B0101
Same System
B0101: Body System Code B0101 - Lighting
Medium
B0102
Same System
B0102: Immobilizer System Malfunction
Medium
B0103
Same System
B0103: Audio System Malfunction
Medium
B0104
Same System
B0104: Airbag System Malfunction
High
B0105
Same System
B0105: Climate Control Blower Motor Fault
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