PACCAR MX (2004 Emissions) Fault Code: P1158 Wheel Speed, Front Axle, Left – Data Erratic, Intermittent or Incorrect
PACCAR MX (2004 Emissions) Fault Code: P1158 Wheel Speed, Front Axle, Left – Data Erratic, Intermittent or Incorrect
SET CONDITIONS:
The ECU detects that the speed of the left-front axle wheel speed sensor is > 160 km/h [99 mph].
DIAGNOSTIC CONDITION:
This diagnostic runs continuously when the ignition is on.
CORRESPONDING OBD READINESS MONITOR:
None
RESET CONDITION:
This DTC changes to inactive when a normal wheel speed is detected.
REPAIR VERIFICATION:
1. Clear all DTCs.
2. Test drive or operate the vehicle to meet the diagnostic conditions and set conditions.
3. Did the DTC come back?
– No, repair successful
– Yes, repair unsuccessful
POSSIBLE CAUSES:
Wheel speed sensor defect
ADDITIONAL INFORMATION:
The vehicle was driven excessively fast or the wheel speed sensor is malfunctioning.
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