C0619

Code

Generic C — Chassis

Brake Pedal Position Sensor “A” Offset Exceeded Learning Limit

Brand: Generic

Type: C — Chassis

Views: UK: 20 EN: 40 RU: 24

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Failed or degraded BPP sensor (internal drift or damage)
Incorrect sensor installation or mechanical misalignment at the pedal assembly
Contaminated, corroded, bent or loose electrical connector or wiring (open, short to power/ground, high resistance)
Interference from aftermarket parts or pedal modifications
Failed or out-of-date ECU / control module software or failed memory for learned values
Obstruction, binding, or excessive play in the pedal linkage or return spring

Brake warning lamp or chassis fault indicator illuminated
Brake pedal feel may be normal but vehicle disables start/stop or other brake-dependent functions
Cruise control, adaptive cruise, or stability control warnings or inhibited operation
Diagnostic trouble code C0619 (or related BPP codes) stored in ECU
Unsuccessful brake pedal sensor calibration/learning attempts

Read and record freeze-frame data and all stored codes from related modules (ABS, BCM, ECM)
Confirm vehicle build and whether recent work was done at the pedal or brake switch/sensor
Visual inspection of the BPP sensor, connector, wiring harness, and pedal assembly for damage, corrosion, or loose fasteners
Check for proper sensor mounting and pedal travel free of binding or obstructions
Use a scan tool to view live BPP sensor values while slowly moving the pedal through its travel
Measure reference supply voltage and ground at the sensor connector with key ON (typical 5 V reference or battery depending on design)

Typical sensor output: ~0.5 V (pedal released) to ~4.5 V (pedal fully depressed) for a 5 V reference sensor (specs vary by vehicle)
Some systems use two channels (Sensor A and Sensor B) — outputs should correlate and change monotonically with pedal travel
Reference supply: typically 5 V or ignition-switched supply; check for stable reference voltage within ±5%
Ground continuity: sensor ground should be near 0 Ω to chassis ground
Expected behavior: smooth, continuous output change with pedal motion, no sudden jumps or dropouts

Confirm the complaint and retrieve all related DTCs and freeze frame data from ABS/ECM/BCM.
Inspect the pedal area: check sensor mounting, connector seating, harness routing and for physical damage or contamination.
With a scan tool, monitor BPP sensor A (and B if present) outputs while moving the pedal slowly. Note values at rest, mid-travel, and full travel.
Verify sensor supply voltage and ground at the connector. Repair any missing reference or poor ground before continuing.
If voltages present but output is out of expected range or erratic, perform a wiggle test on the harness while observing live data to find intermittent faults.
If harness and voltages are good, attempt the manufacturer-specified offset/learn/calibration procedure using a diagnostic tool. Follow any special pedal positions or ignition/key states required.
If learning fails and data indicate incorrect absolute output, replace the BPP sensor, then perform the learn procedure again.
After repair/replace and successful learning, clear codes and verify repair with multiple pedal cycles and a test drive. If code returns, suspect ECU/module fault and consult manufacturer technical service information.
Document repairs and monitor for recurrence; if intermittent, consider extended road testing or data logging.

Worn/degraded hall-effect/potentiometer BPP sensor
Corroded connector pins or poor ground at sensor
Sensor was replaced but the calibration/learn procedure was not performed or failed
Mechanical wear at the pedal pivot causing unexpected sensor geometry
Intermittent wiring fault (broken strand inside harness) that changes resistance when pedal is moved