C0038
Système
Chassis (ABS / Stability)
Scanner requis
Full-system scanner (engine, ABS, SRS, transmission, service resets)

Right Rear Wheel Speed Sensor Circuit Low Input

Understand C0038, common causes, and the right FOXWELL scanner to diagnose it.

RR wheel speed sensor circuit low voltage.

Symptômes courants

  • ABS inop
  • Check engine light on some AWD models

Causes typiques

  • Failed RR sensor
  • Open or short in circuit
  • Rear bearing affecting gap

Quel scanner choisir ?

Full-system scanner (engine, ABS, SRS, transmission, service resets)

Utilisez les données en direct et le freeze frame avant de remplacer des pièces. Les codes ABS, SRS et U nécessitent souvent un scanner mult systèmes.

Conseils de diagnostic

  • Enregistrez le freeze frame lors de la première apparition du code
  • Effacez le code uniquement après avoir corrigé la cause
  • Vérifiez les codes en attente associés
  • Vérifiez que la batterie est au-dessus de 12,4 V avant de suspecter un capteur

Scanners FOXWELL recommandés

Questions fréquentes

Can I diagnose C0038 with a basic code reader?
C0038 may set in the engine module, but related diagnostics often benefit from an enhanced or full-system scanner with live data and freeze frame.
Is it safe to drive with C0038?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.