This resolves voltage-induced false codes in about 20% of cases.
The windshield may mist up frequently during rain or high humidity because the sensor can no longer signal the HVAC module to dehumidify the cabin. land rover jaguar b13c2-49
Note: Prices in USD, parts may be higher for dealer OEM. This resolves voltage-induced false codes in about 20%
While primarily for climate control, failures in this area can sometimes affect the automatic wiper and headlight functions if the combined sensor unit is faulty. Potential Causes While primarily for climate control, failures in this
In some cases (particularly Jaguar XE and F-Pace 2017–2019), the B13C2-49 is stored in the RCM rather than the ABS module. This points to an internal RCM failure requiring module replacement or reprogramming.
Ignoring this code puts your safety at risk by disabling airbags and stability control. However, with proper diagnosis—using a JLR-capable scanner—most owners can resolve it for under $500 if they DIY the SAS replacement, or under $1,000 at a reputable independent shop.
In this deep dive, we will explore what this code means, why it appears in British luxury SUVs and sedans, the symptoms to look out for, and the precise steps required to diagnose and repair it.