The airbag light came on on the dashboard. Shows error 01221 and 01222. errors are not deleted. I looked at all the connections from the airbags to the sensors, everything seems to be ok. How to remove the error?
Answer
If the vehicle was in an accident then the airbag module needs to be reset. We can do that at MyAirbags.com. But if the airbag light just came on one day without an accident then it could be bad wiring, bad sensors or the airbag control module has failed and may need to be replaced. Check these links for more info: http://wiki.ross-tech.com/wiki/index.php/01221 and http://wiki.ross-tech.com/wiki/index.php/01222
Code 01221
01221 - Crash Sensor Side Airbag; Driver Side (G179): Faulty
01221 - Crash Sensor Side Airbag; Driver Side (G179): Open Circuit / Short to Plus
Possible Symptoms
-
Airbag Warning Light ON
Possible Causes
-
Wiring/Connections between Airbag Control Module (J234) and Crash Sensor Side Airbag; Driver Side (G179) faulty
-
Crash Sensor Side Airbag; Driver Side (G179) faulty
-
Airbag Control Module (J234) faulty
Possible Solutions
-
Check Wiring/Connections between Airbag Control Module (J234) and Crash Sensor Side Airbag; Driver Side (G179)
-
Replace Crash Sensor Side Airbag; Driver Side (G179)
-
Replace Airbag Control Module (J234)
01221 - Crash Sensor Side Airbag; Driver Side (G179): No or Incorrect Basic Setting / Adaptation
Possible Symptoms
-
Airbag Warning Light ON
Possible Causes
-
Wrong Crash Sensor Side Airbag; Driver Side (G179) installed
-
Newly Installed Airbag Module is Not Compatible With Crash Sensor(s)
Possible Solutions
-
Install correct Crash Sensor Side Airbag; Driver Side (G179)
-
Install Airbag Module that is Compatible With Crash Sensor(s)
Special Notes
-
The US Market (9M) Jetta has a common Airbag Control Module replacement conflict with the existing Crash Sensors. This is mentioned in TSB # 69-08-04 with the following example:
-
When control module 1C0-909-605-F-004 (coded to 12340) is replaced with 1C0-909-605-F-01E the original Crash Sensors are not compatible. The new module will refuse coding if DTCs 01221, 01222, 01738, or 1739 are stored. This is also noted here: Airbag Coding
The Crash Sensors can be checked by using the control module identification and the measuring blocks.
Address 15: Airbags
Controller: 1T0 909 605
Component: 05 AIRBAG VW62 0506 2112
Coding: 0012341
The 0506 in this example stands for the required Crash Sensor ID, the first 2 digits (05) apply for the front crash sensors, while the second 2 digits (06) apply for the rear crash sensors. The ID of the currently installed Crash Sensors can be determined by checking Measuring Value Block (MVB) 009.
01221 - Crash Sensor Side Airbag; Driver Side (G179): Implausible Signal
Possible Symptoms
-
Airbag Warning Light ON
Possible Causes
-
Wrong/Incompatible Crash Sensor Side Airbag; Driver Side (G179) installed
-
Wiring/Connections between Airbag Control Module (J234) and Crash Sensor Side Airbag; Driver Side (G179) faulty
Possible Solutions
-
Check Crash Sensor Side Airbag; Driver Side (G179) Part Number
-
Install correct Crash Sensor Side Airbag; Driver Side (G179)
-
Check Wiring/Connections between Airbag Control Module (J234) and Crash Sensor Side Airbag; Driver Side (G179)
Special Notes
-
When found on 2019 - 2022 Atlas, Atlas Cross Sport, Golf, Golf Wagon, Jetta, Tiguan and Taos, please see TT 97-21-02 for possible wiring harness issue:
-
May also find DTCs U0199, U0200, B1017 or B1036.
Code 01222
01222 - Crash Sensor Side Airbag; Passenger Side (G180): Faulty
01222 - Crash Sensor Side Airbag; Passenger Side (G180): Open or Short to Plus
Possible Symptoms
-
Airbag Warning Light ON
Possible Causes
-
Wiring/Connections between Airbag Control Module (J234) and Crash Sensor Side Airbag; Passenger Side (G180) faulty
-
Crash Sensor Side Airbag; Passenger Side (G180) faulty
-
Airbag Control Module (J234) faulty
Possible Solutions
-
Check Wiring/Connections between Airbag Control Module (J234) and Crash Sensor Side Airbag; Passenger Side (G180)
-
Replace Crash Sensor Side Airbag; Passenger Side (G180)
-
Replace Airbag Control Module (J234)
01222 - Crash Sensor Side Airbag; Passenger Side (G180): No or Incorrect Basic Setting / Adaptation
Possible Symptoms
-
Airbag Warning Light ON
Possible Causes
-
Wrong Crash Sensor Side Airbag; Passenger Side (G180) installed
-
Newly Installed Airbag Module is Not Compatible With Crash Sensor(s)
Possible Solutions
-
Install correct Crash Sensor Side Airbag; Passenger Side (G180)
-
Install Airbag Module that is Compatible With Crash Sensor(s)
Special Notes
-
The US Market (9M) Jetta has a common Airbag Control Module replacement conflict with the existing Crash Sensors. This is mentioned in TSB # 69-08-04 (TPI-2011170) with the following example:
-
When control module 1C0-909-605-F-004 (coded to 12340) is replaced with 1C0-909-605-F-01E the original Crash Sensors are not compatible. The new module will refuse coding if DTCs 01221, 01222, 01738, or 1739 are stored. This is also noted here: Airbag Coding
The Crash Sensors can be checked by using the control module identification and the measuring blocks.
Address 15: Airbags
Controller: 1T0 909 605
Component: 05 AIRBAG VW62 0506 2112
Coding: 0012341
The 0506 in this example stands for the required Crash Sensor ID, the first 2 digits (05) apply for the front crash sensors, while the second 2 digits (06) apply for the rear crash sensors. The ID of the currently installed Crash Sensors can be determined by checking Measuring Value Block (MVB) 009.
01222 - Crash Sensor Side Airbag; Passenger Side (G180): Implausible Signal
Possible Symptoms
-
Airbag Warning Light ON
Possible Causes
-
Wrong/Incompatible Crash Sensor Side Airbag; Passenger Side (G180) installed
-
Wiring/Connections between Airbag Control Module (J234) and Crash Sensor Side Airbag; Passenger Side (G180) faulty
Possible Solutions
-
Check Crash Sensor Side Airbag; Passenger Side (G180) Part Number
-
Install correct Crash Sensor Side Airbag; Passenger Side (G180)
-
Check Wiring/Connections between Airbag Control Module (J234) and Crash Sensor Side Airbag; Passenger Side (G180)