OBD Guide
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B1219

Interior Boot/Trunk Release Switch

B1219 is an OBD-II diagnostic trouble code meaning: Interior Boot/Trunk Release Switch. Common causes: faulty trunk release switch, open or short circuit in wiring harness. Estimated repair cost: $22–89.

Severity
✅ Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$22–89 (est.)

Symptoms

  • The trunk does not open from the button in the cabin
  • The trunk opens with a delay
  • False trunk opening alarms
  • Button backlight does not work

Causes

  • Faulty trunk release switch
  • Open or short circuit in wiring harness
  • Oxidized contacts in connectors
  • Problem with trunk release relay
  • Body Module (BCM) Malfunction

How to Fix

  1. Check the functionality of the switch (close the circuit manually)
  2. Inspect the wiring harness for damage
  3. Clean the contacts in the connectors
  4. Check the trunk open relay
  5. Scan the body module for additional errors
  6. Replace the faulty switch if necessary

Related codes

B1218B1220B1477

FAQ

What does the B1219 code mean?

B1219 is an OBD-II diagnostic trouble code that indicates: Interior Boot/Trunk Release Switch

What causes a B1219 error code?

The most common causes of B1219 include: Faulty trunk release switch; Open or short circuit in wiring harness; Oxidized contacts in connectors; Problem with trunk release relay.

How do I fix a B1219 diagnostic trouble code?

To fix B1219: Check the functionality of the switch (close the circuit manually). Inspect the wiring harness for damage. Clean the contacts in the connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1219?

Yes, but get it checked soon

How much does it cost to fix B1219?

The estimated repair cost for B1219 is $22–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat