A1 Diagnostics have all the latest Mercedes equipment and technology needed to diagnose fault codes. Fault codes such as B1226, B1227, B1128, B1229, B1230, B1231, B1232, B1233, B1234, B1235 in Mercedes vehicles and cars can be fully repaired from our garage workshop pictured below.

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When you experience a fault like B1226, B1227, B1128, B1229, B1230, B1231, B1232, B1233, B1234, B1235 with your Mercedes vehicle you will get a fault code. This fault code will then explain what the symptoms are and what you need to do to service the vehicle. This month we are going to be looking at Mercedes vehicle fault codes and we start off with B1226, B1227, B1128, B1229, B1230, B1231, B1232, B1233, B1234, B1235.

The B1226, B1227, B1128, B1229, B1230, B1231, B1232, B1233, B1234, B1235 is a MERCEDES-BENZ fault code and is related to the purge flow sensor circuit, the specific nature of the fault code is shown below.
• B1226 In-car temperature sensor (B10/4)
• B1227 Outside temperature indicator temp sensor (014)
• B1128 Heater core temperature (B10/1)
• B1229 Heater core temperature (B10/1)
• B1230 Evaporator temperature sensor (B10/6)
• B1231 ECT sensor (B11/4)
• B1232 Refrigerant pressure sensor (B12)
• B1233 Refrigerant temperature sensor (B12/1)
• B1234 Sun sensor (B32)
• B1235 Emissions sensor (B31)
What are causing these fault codes to be displayed are listed below.
• Faulty In-Car Temperature Sensor
• In-Car Temperature Sensor harness is open or shorted
• In-Car Temperature Sensor circuit poor electrical connection
• Faulty Climate Control Unit
Any of the points raised above can be why the B1226, B1227, B1128, B1229, B1230, B1231, B1232, B1233, B1234, B1235 fault code is being displayed, your Mercedes vehicle will need immediate assistance to avoid any further damage to the car.
We have Mercedes mechanics with over 20 years’ experience servicing B1226, B1227, B1128, B1229, B1230, B1231, B1232, B1233, B1234, B1235 fault codes.
The B1226, B1227, B1128, B1229, B1230, B1231, B1232, B1233, B1234, B1235 fault code is a common occurrence. The B1226, B1227, B1128, B1229, B1230, B1231, B1232, B1233, B1234, B1235 we can diagnose and fix quickly and reliably. We have mechanics that can fix the B1226, B1227, B1128, B1229, B1230, B1231, B1232, B1233, B1234, B1235 fault code that have over 20 years’ experience working in our Mercedes garage, so, when you leave your Mercedes vehicle with us it is in safe hands.
When you experience a B1226, B1227, B1128, B1229, B1230, B1231, B1232, B1233, B1234, B1235 fault you will need a garage with all the latest vehicle technology to service and repair the fault. A1 Diagnostics have all the technology needed to ensure your Mercedes vehicle is serviced reliably at the most affordable prices.
If you have any queries or experience a Mercedes fault code get in touch and let us look at your vehicle and we will get you back out on the road quickly and efficiently.
A1-Diagnostics and ECU Repairs
64 Sloper Road
Leckwith,
Cardiff
CF11 8AB
Tel: (029 20) 220380
Fax: (029 20) 223172
Opening Times
Mon – Fri: 8:00am – 6:00pm
Email: info@a1-diagnostics.com
