B2063 — passenger power window data circuit output signal
B2063: B2063 generally affects passenger-window operation rather than engine or steering performance. The passenger window does not move when the passenger switch is operated.
For Ford vehicles
passenger power window data circuit output signal
vehicle
Is it safe to drive?
Passenger window function may be impaired B2063 generally affects passenger-window operation rather than engine or steering performance. Driving is usually possible, but a window that cannot close can reduce weather protection and security, so the fault should be repaired promptly.
Typical symptoms
- The passenger window does not move when the passenger switch is operated.
- The passenger window stops partway through its travel or fails to complete one-touch movement.
- The window motor clicks without moving the glass.
- The passenger window operates intermittently or only when the switch is pressed repeatedly.
- B2063 remains stored in the body control module even though the passenger window has recently worked normally.
Common causes
- A faulty passenger-side power window switch or door control module may be sending an invalid output signal.
- Damage, high resistance, or an open circuit in the passenger power window data or output wiring can prevent a valid signal from reaching the body control module.
- A corroded, loose, or water-contaminated passenger door connector can intermittently interrupt the power window circuit.
- A short to battery voltage or ground in the passenger power window signal wiring can corrupt the reported output.
- The body control module driver or its internal passenger window channel may fail and report B2063.
- A binding passenger window motor, regulator, or damaged feedback circuit can create an unexpected signal that triggers B2063.
How to diagnose with an OBD scanner
- Reproduce the passenger window fault Operate the passenger window normally and record whether it fails immediately, stops midway, reverses, or works intermittently. Also check that the glass is unobstructed and that the regulator and door hardware are not binding.
- Read B2063 with an OBD2 scanner Connect AIScanAuto, an ELM327 adapter, or another OBD2 scanner and read current, pending, and stored body-control codes. Confirm that B2063 corresponds to the passenger power window data circuit output signal, and capture freeze-frame data if the scanner supports it.
- Inspect the passenger door circuit Examine the wiring and connectors between the passenger switch or door module and the body control module. Look for chafing, broken conductors, corrosion, water intrusion, loose terminals, and evidence of a short to power or ground.
- Perform guided electrical testing Use service-manual wiring diagrams and connector pin identification to test the power, ground, data, and output paths with a multimeter or oscilloscope. Check for opens, excessive voltage drop, and shorts; do not probe or disconnect terminals until their functions are confirmed.
- Isolate the failed component If the wiring tests correctly, test the passenger window switch or door control module according to its specified procedure. If the signal is valid at the module but B2063 remains, evaluate the body control module channel and related motor or feedback circuit.
- Repair and verification test Repair the wiring, connector, switch, motor, or control module responsible for the invalid signal. Clear B2063 with the scanner, operate the passenger window through its full travel, and confirm that the code does not return.
Approximate repair cost
An independent shop may charge roughly USD 125 to USD 1,100 to diagnose and repair B2063, depending on whether the fault is wiring, a switch, a window motor, or the body control module. These figures are estimates only, are not verified quotes, and vary by region, vehicle, parts availability, and labor rates.
Common questions
What does code B2063 specifically indicate?
B2063 indicates that the body-control system detected an invalid or inconsistent passenger power window data circuit output signal. The fault may involve the switch, wiring, connector, motor feedback, or control module.
Can the vehicle be driven with B2063 stored?
Yes, usually. The main concern is loss of passenger-window function, especially if the glass cannot close, so visibility, weather protection, and security should be considered until the fault is repaired.
Will clearing B2063 permanently fix the problem?
No. Clearing B2063 only removes the stored fault history; it does not repair an open wire, bad connector, defective switch, motor issue, or failed body-control-module output.
What should be checked first when diagnosing B2063?
Start by reproducing the symptom and scanning for current codes, then inspect the passenger door wiring and connectors. Guided signal testing should determine whether the invalid output originates in the circuit or the controller.
B2063 — B2063 — Manufacturer Controlled DTC: Causes, Symptoms & Fix
When your check engine light or body system warning lamp illuminates and a scan tool pulls code B2063, it means the vehicle's body control module has detected an abnormal signal from one of the electrical subsystems it manages. B2063 falls into the manufacturer-controlled DTC category, which covers a broad range of body electrical functions—power locks, windows, interior and exterior lighting, windshield wipers, and related actuators all fall under this umbrella. The module does not trigger this code from a single erratic reading; instead, it requires the fault condition to repeat under specific parameters before logging the code and activating the warning indicator. This threshold-based approach prevents false alarms from transient electrical noise.
The freeze frame data stored alongside B2063 is your most valuable starting point. This snapshot captures engine load, RPM, coolant temperature, and vehicle speed at the exact moment the fault was detected. If the code was set during cold starts, highway cruising, or after a rainstorm, those conditions tell you which subsystem to investigate first. Reproducing those circumstances during your diagnostic process dramatically increases your chances of catching the intermittent problem before it vanishes.
Symptoms of B2063
The symptoms you experience depend entirely on which body function has failed, but several patterns appear consistently with B2063.
- The affected system—locks, windows, lighting, or wipers—operates inconsistently or stops responding entirely
- In most cases, engine performance and drivability remain unaffected since the fault is isolated to body electronics
- The dashboard warning light stays illuminated until the underlying issue is resolved
- You may notice the problem only in certain weather conditions, such as heavy rain or freezing temperatures
- Intermittent operation that worsens over time is common, especially with wiring issues
Common Causes
Body control module problems, blown fuses, and wiring damage account for the majority of B2063 codes, though the exact root cause varies by make and model.
- Blown fuse or failed relay supplying the affected circuit
- Body control module internal fault or software corruption
- Wiring damage in high-flex areas like door jambs, tailgates, or hood hinges
- Corroded, loose, or damaged electrical connectors in the affected circuit
- Faulty switch, motor, or actuator controlling the malfunctioning function
- Water intrusion into connectors or modules located in wet areas of the vehicle
How to Diagnose B2063
Effective diagnosis follows a logical progression from simple checks to complex repairs.
- Connect an OBD2 scanner, retrieve B2063, and record all freeze frame data—note engine load, rpm, coolant temperature, and vehicle speed when the fault occurred.
- Check for related diagnostic trouble codes; secondary codes often point directly to the failing component rather than the BCM itself.
- Review manufacturer technical service bulletins for your specific make, model, and model year—many body code complaints have documented factory fixes or software updates available through the manufacturer website or NHTSA database.
- Perform a visual inspection of wiring harnesses and connectors associated with the affected function, looking for damaged insulation, corrosion, broken wires, and loose pins.
- Monitor switch and motor parameter IDs in live data while operating the system—watch for proper signal changes that correspond to switch positions.
- Clear the code, complete a full drive cycle that recreates the freeze frame conditions, and verify B2063 does not return before declaring the repair complete.
Repair Options and Costs
Repairs range from inexpensive connector cleaning to full module replacement, depending on what testing reveals.
- Switch or actuator replacement: $120–$450 (parts and labor at independent shop rates)
- BCM repair or replacement: $300–$900 (parts and labor, module programming may be required)
- Wiring harness or connector repair: $80–$250 (parts and labor for splice repair or connector replacement)
Total Repair Cost
Expect to spend between $80 and $900 to resolve B2063, with the actual figure determined by which component failed. The body control module represents the highest expense, so confirming that the BCM itself is faulty before replacement—rather than assuming based on the code alone—prevents unnecessary spending. Addressing corroded connectors or blown fuses first typically resolves the issue at the lower end of the price range.
Can You Drive with B2063?
B2063 is generally classified as a non-drivability concern—your engine runs fine, and the transmission shifts normally. However, the associated system failure can create safety issues depending on what stopped working. Exterior lighting malfunctions reduce visibility and your visibility to other drivers. Inoperative wipers become dangerous during rain or snow. Central locking faults may leave your vehicle unsecured or trap you inside if the mechanism fails in the locked position. Use judgment based on which function is affected and address the repair promptly.
Related OBD2 codes
- B2000: B2000 — Manufacturer Controlled DTC: Causes, Symptoms & Fix
- B2001: B2001 — Manufacturer Controlled DTC: Causes, Symptoms & Fix
- B2002: B2002 — Manufacturer Controlled DTC: Causes, Symptoms & Fix
- B2003: B2003 — Manufacturer Controlled DTC: Causes, Symptoms & Fix
- B2004: B2004 — Manufacturer Controlled DTC: Causes, Symptoms & Fix
- B2005: B2005 — Manufacturer Controlled DTC: Causes, Symptoms & Fix