What Does B1519 Mean?
B1519 indicates the Body Control Module (BCM) has detected a malfunction in the Driver Information Center (DIC) switch circuit. This code means there is an open circuit, short to ground, short to power, or excessive resistance in the wiring or switch assembly that controls the DIC menu functions on the instrument panel. The BCM monitors the switch inputs and sets this code when the expected voltage signals are out of normal operating range.
Common Causes
45%
Faulty DIC switch assembly with worn contacts or internal failure
30%
Damaged or corroded wiring harness between DIC switch and BCM
15%
Loose or corroded electrical connector at DIC switch or BCM
10%
Failed Body Control Module (BCM) with internal circuit fault
Diagnostic Steps
1
Step 1: Perform visual inspection of the DIC switch assembly and surrounding area for physical damage, loose connections, or signs of water intrusion. Check all visible wiring for chafing, cuts, or pinch points.
2
Step 2: Using a multimeter, check voltage supply to the DIC switch (typically 5V or 12V reference depending on manufacturer). Verify proper ground circuit continuity with resistance measurement (should be less than 5 ohms to ground).
3
Step 3: Disconnect the DIC switch connector and measure resistance values across switch terminals while pressing each button individually. Compare readings to manufacturer specifications (typically varying resistance values for each button position).
4
Step 4: Check continuity of the signal wire from the DIC switch connector all the way back to the BCM connector using a multimeter. Look for opens, shorts to ground (infinite resistance to ground when disconnected), or shorts to power.
5
Step 5: Inspect and clean all connector terminals at both the DIC switch and BCM ends using electrical contact cleaner. Check for pushed-back pins, corrosion, or moisture in connectors.
6
Step 6: If all wiring and connections test good, perform a functional test by reconnecting components, clearing codes, and operating the DIC switches. If code returns immediately, replace the DIC switch assembly. If code does not return with known-good switch, suspect BCM failure.
Estimated Repair Cost
$150 - $650
Parts + labor, varies by vehicle and location
B1519 indicates the Body Control Module (BCM) has detected a malfunction in the Driver Information Center (DIC) switch circuit. This code means there is an open circuit, short to ground, short to power, or excessive resistance in the wiring or switch assembly that controls the DIC menu functions on ...
The most common cause of B1519 (Driver Information Center (DIC) Switch Circuit) is: Faulty DIC switch assembly with worn contacts or internal failure
Typical repair costs for B1519 range from $150 to $650, depending on the vehicle, location, and whether you do it yourself or go to a shop.
Safe to continue driving as this code only affects the ability to navigate DIC menus and change display settings. No safety-critical functions are impaired, though loss of trip computer and configuration access may be inconvenient.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to B1519 to identify the root cause.
OBDHut Mobile App
Scan codes directly from your car with the OBDHut app.
Coming Soon
Quick Info
Category
Body
System
Driver Information and Body Control System
Difficulty
Type
Manufacturer
Recommended Tools
OBD2 Scanner
A quality scan tool helps you read codes, view live data, and clear faults.
