CUSTOMER CONCERN Customer states the traction-control, brake, tire-pressure and ABS warning indicators are on. DTCs C0210, C0371, C1271, C1272, C1273, C1274, C1275, C1276, C1277, C1278, C1281 and C1346 are stored. CAUSE Testing confirmed the right-rear wheel-speed sensor failed. Of the stored codes, C0210 was the valid fault; the remaining codes were generated while the scan tool had the skid-control ECU in test mode. CORRECTION Remove and replace the right-rear wheel-speed s

CUSTOMER CONCERN Customer requests diagnosis of hydraulic power unit primary-pressure sensor signal DTC C1237. CAUSE Confirmed internal failure of the hydraulic power unit caused improper pressure or an invalid internal pressure-sensor signal and set DTC C1237. CORRECTION Remove and replace the hydraulic power unit.