P0500 on Ford vehicles
Vehicle Speed Sensor Malfunction — what it means on a Ford, whether it's safe to drive, and the fixes by model and year.
P0500 on a Ford means vehicle speed sensor malfunction. Most vehicles stay drivable short-term, but diagnose it promptly. The most common cause is failed transmission-mounted vehicle speed sensor (pre-can bus vehicles) (typically $100–$350). Pick your Ford model below for its known failure patterns, recalls, and TSBs.
What does P0500 mean on a Ford?
P0500 is set when the ECM does not see a valid vehicle speed signal, or sees a signal that does not correlate with engine RPM and selected gear. Modern vehicles derive vehicle speed from the ABS wheel speed sensors and broadcast it on the CAN bus; older vehicles use a dedicated transmission-mounted vehicle speed sensor (VSS). The fault source depends on which generation the vehicle is.
P0500 is a standardized OBD-II code, so its definition is the same on every Ford. What differs by model and engine is which cause is most likely — pick your Ford model below for a diagnosis tuned to its known failure patterns, recalls, and TSBs.
Is it safe to drive a Ford with P0500?
In most cases a Ford stays drivable for short trips with P0500 active, but diagnose and repair it promptly. This is a moderate-severity code — ignoring it can lead to further damage or a failed emissions test. Exact tolerance depends on the model and engine.
What causes P0500 on a Ford?
| Cause | Likelihood | Estimated repair (USD) |
|---|---|---|
| Failed transmission-mounted vehicle speed sensor (pre-CAN bus vehicles) | Most common | $100–$350 |
| Failed ABS wheel speed sensor that feeds the ECM via CAN bus | Common | $150–$500 |
| Damaged or corroded VSS / wheel speed sensor connector | Common | $50–$250 |
| CAN bus wiring fault — message dropped between ABS module and PCM | Occasional | $100–$600 |
| Failed ABS control module | Occasional | $400–$1,500 |
| Damaged tone ring or reluctor wheel at the wheel hub | Occasional | $200–$700 |
| Failed instrument cluster on CAN-derived vehicles | Rare | $400–$1,200 |
Repair costs are typical US ranges and vary by Ford model, model year, and labor rate. A diagnostic trouble code is a symptom, not a guaranteed failed part — confirm the root cause before replacing anything.
P0500 by Ford model
Select your Ford model and year for a P0500 diagnosis tuned to that vehicle's failure patterns, recalls, and TSBs.
Ford F-150
43 recalls on record across the years covered below.
Ford Escape
3,364 NHTSA owner complaints · 24 recalls on record across the years covered below.
Ford Explorer
2,694 NHTSA owner complaints · 43 recalls on record across the years covered below.
Ford Bronco
328 NHTSA owner complaints · 21 recalls on record across the years covered below.
Ford Mustang
771 NHTSA owner complaints · 22 recalls on record across the years covered below.
Complaint and recall counts are NHTSA totals for the model years covered on this site, not counts specific to P0500.
P0500 on other makes
Other codes on Ford vehicles
P0500 on a Ford: frequently asked questions
What does diagnostic trouble code P0500 mean on a Ford?
P0500 is set when the ECM does not see a valid vehicle speed signal, or sees a signal that does not correlate with engine RPM and selected gear. Modern vehicles derive vehicle speed from the ABS wheel speed sensors and broadcast it on the CAN bus; older vehicles use a dedicated transmission-mounted vehicle speed sensor (VSS). The fault source depends on which generation the vehicle is. P0500 is a standardized OBD-II code, so the definition is the same on every Ford — which cause is most likely varies by model and engine.
What are the symptoms of P0500 on a Ford?
Check Engine Light is illuminated. Speedometer reads zero or fluctuates erratically. Odometer not accumulating miles. Transmission may shift harshly or hold a gear too long. Cruise control inoperative. ABS or traction control lights may also be illuminated. Possible speed-sensitive systems disabled (power steering assist on some EPS vehicles)
What causes P0500 on a Ford?
Failed transmission-mounted vehicle speed sensor (pre-CAN bus vehicles) (most-common). Failed ABS wheel speed sensor that feeds the ECM via CAN bus (common). Damaged or corroded VSS / wheel speed sensor connector (common). CAN bus wiring fault — message dropped between ABS module and PCM (occasional). Failed ABS control module (occasional). Damaged tone ring or reluctor wheel at the wheel hub (occasional). Failed instrument cluster on CAN-derived vehicles (rare)
Is it safe to drive a Ford with P0500?
In most cases a Ford stays drivable for short trips with P0500 active, but it should be diagnosed and repaired promptly — this is a moderate-severity code. Ignoring it can lead to further damage or a failed emissions test. Exact tolerance depends on the model and engine.