What does Lincoln P1502 mean?

Lincoln code P1502: Invalid or Missing Vehicle Speed Message or Brake Data. It relates to the powertrain on Lincoln vehicles.

Can P1502 be turned off in the ECU?

DTC removal is possible for off-road/motorsport use after the underlying fault or hardware change (e.g. DPF/EGR removal). Safety-critical codes should be fixed, not suppressed.

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Lincoln • powertrain

Lincoln P1502

Invalid or Missing Vehicle Speed Message or Brake Data

What P1502 means on a Lincoln

On Lincoln vehicles, P1502 is logged when the ECU detects a fault in the powertrain: “Invalid or Missing Vehicle Speed Message or Brake Data”. P1502 is a manufacturer-specific Lincoln code (the "1" after the letter marks an OEM-defined code), so its meaning applies to Lincoln and may differ on other makes.

Common causes & symptoms

Typical triggers for a powertrain code like P1502 include faulty or ageing sensors, wiring/connector faults, a clogged or removed component, or a value drifting outside the ECU's expected window. Symptoms range from a check-engine light only, to limp mode, rough running, higher consumption or failed emissions tests.

P1502 and ECU tuning

When a Lincoln has had hardware changed for off-road/motorsport use (for example a removed DPF or EGR), the related monitor must be disabled in the ECU map or the code re-appears. Softechpro Solutions performs DPF/EGR/AdBlue/DTC off and recalculates the checksum, so codes like P1502 stay cleared after the flash. Genuine faults should always be repaired, not just hidden.

Related Lincoln codes

P1484 P1485 P1500 P1501 P1504 P1505 P1506 P1507

Need to clear P1502 after a delete?

Softechpro Solutions does DPF/EGR/AdBlue/DTC off + checksum for 260+ ECU families — from €98.99/mo.

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