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Home/DTC Codes/Pontiac/Sunfire/1995-2005 2.2L I4/C0046
C0046

Left Rear Wheel Speed Signal Erratic

1995-2005 Pontiac Sunfire 2.2L I4

Moderate SeverityChassisGeneric (SAE)

Description

Erratic signal from left rear sensor.

Symptoms

  • ABS light on
  • Unexpected ABS activation

Common Causes

  • Tone ring crack
  • Debris
  • Bearing wear

Diagnostic Steps

  1. Scope signal
  2. Inspect tone ring
  3. Check bearing

Repair Notes

Replace sensor or tone ring.

Related Codes

C0045Left Rear Wheel Speed Sensor Circuit

Other Chassis Codes

C0046 on Other Vehicles

Pontiac Aztek

2001-2005 3.4L V6

Pontiac Bonneville

1990-1999 3.8L V6

Pontiac Bonneville

2000-2005 3.8L V6

Pontiac Bonneville GXP

2000-2005 4.6L V8

Pontiac Bonneville GXP

2000-2005 4.6L V8 Northstar

Pontiac Bonneville SSEi

1992-1999 3.8L Supercharged V6

Pontiac Bonneville SSEi

1992-1999 3.8L V6 Supercharged

Pontiac Firebird

1993-1997 3.4L V6

Common Questions

What does code C0046 mean on a 1995-2005 Pontiac Sunfire?

C0046 stands for "Left Rear Wheel Speed Signal Erratic". Erratic signal from left rear sensor.

What are the symptoms of C0046 on a Pontiac Sunfire?

Common symptoms of C0046 include: ABS light on, Unexpected ABS activation.

What causes C0046 on a 1995-2005 Pontiac Sunfire?

Common causes of C0046 include: Tone ring crack, Debris, Bearing wear.

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