Fault Symptoms

B1337, B1338, B2337, B2338
B1337 Passenger airbag. Open Circuit
B1338 Passenger Airbag. Resistance too Low
B2337 Passenger Airbag. Short to Ground
B2338 Passenger Airbag. Short to B+







Fault symptoms
Airbag warning lamp on.

Conditions
The following conditions are applicable to the respective diagnostic trouble codes:

B1337
- The resistance measured by the control module is higher than 3.67 ohms for 10 s.
- The resistance measured by the control module is higher than 225 ohms for 160 ms.
- Fault diagnosis will not be carried out if diagnostic trouble code B2337 or B2338 has been generated.

B1338
- The resistance measured by the control module is lower than 1.34 ohms for 20 s.
- Fault diagnosis will not be carried out if diagnostic trouble code B2337 or B2338 has been generated.

B2337
- The voltage applied to control module pin 3 is lower than 1.5 V for 1.25 s.

B2338
- The voltage applied to control module pin 4 is higher than 3.5 V for 1.25 s.