What Does B1961 Mean?
This code indicates the Body Control Module (BCM) or Seat Control Module has detected a short to ground condition in the potentiometer feedback circuit for the power seat recline motor. The potentiometer provides position feedback to the control module, allowing precise control of the seat back angle. When the signal wire is shorted to ground, the module cannot receive accurate position information and sets this fault code.
Common Causes
45%
Damaged or chafed wiring harness under the seat rail causing short to ground on signal wire
30%
Failed seat recline potentiometer with internal short to ground
15%
Corroded or damaged connector terminals at potentiometer or seat module allowing moisture intrusion
10%
Failed seat control module with internal fault creating false short detection
Diagnostic Steps
1
Step 1: Perform visual inspection of seat wiring harness underneath seat and along seat rails for obvious damage, chafing, pinch points, or exposed copper wire indicating short to ground condition
2
Step 2: Disconnect the seat recline potentiometer connector and measure resistance between signal wire terminal (at harness side) and known good ground using digital multimeter - should read infinite resistance (open circuit) if wiring is intact
3
Step 3: Measure potentiometer resistance across its terminals per manufacturer specifications (typically 1-10k ohms variable range) and verify smooth change in resistance as seat recline is manually moved through full range of motion
4
Step 4: Inspect connector terminals at both potentiometer and control module for corrosion, bent pins, or moisture contamination; clean with electrical contact cleaner and dielectric grease if needed
5
Step 5: With potentiometer reconnected, backprobe signal wire and measure voltage with key on - should see reference voltage (typically 5V) that varies smoothly as seat is reclined; 0V indicates confirmed short to ground
6
Step 6: After repairs, clear codes, cycle seat recline function through full range multiple times, and verify code does not return and seat position feedback operates correctly
Estimated Repair Cost
$150 - $650
Parts + labor, varies by vehicle and location
This code indicates the Body Control Module (BCM) or Seat Control Module has detected a short to ground condition in the potentiometer feedback circuit for the power seat recline motor. The potentiometer provides position feedback to the control module, allowing precise control of the seat back angl...
The most common cause of B1961 (Seat Recline Forward/Backward Potentiometer Feedback Circuit Short To Ground) is: Damaged or chafed wiring harness under the seat rail causing short to ground on signal wire
Typical repair costs for B1961 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 only affects power seat recline functionality. The seat may not recline electrically or may move unexpectedly, but does not impact vehicle operation or safety systems. Repair at convenience unless seat position cannot be manually adjusted to safe driving position.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to B1961 to identify the root cause.
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Quick Info
Category
Body
System
Power Seat Control System
Difficulty
Type
Manufacturer
Recommended Tools
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