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Home/DTC Codes/Cadillac/SRX/2007-2007 3.6L V6/C0045
C0045

Left Rear Wheel Speed Sensor Circuit

2007-2007 Cadillac SRX 3.6L V6

Moderate SeverityChassisGeneric (SAE)

The 2007 Cadillac SRX is equipped with a 3.6L V6 engine. Below you'll find detailed c0045 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.

Description

Malfunction in left rear wheel speed sensor.

Symptoms

  • ABS light on
  • Rear ABS not functioning

Common Causes

  • Faulty sensor
  • Tone ring damage
  • Wiring issue

Diagnostic Steps

  1. Test sensor
  2. Inspect tone ring
  3. Check wiring

Repair Notes

Replace sensor.

Related Codes

C0046Left Rear Wheel Speed Signal ErraticC0050Right Rear Wheel Speed Sensor Circuit

Other Chassis Codes

C0045 on Other Vehicles

Cadillac ATS

2013-2013 2.0L Turbo I4

Cadillac ATS

2013-2013 2.5L I4

Cadillac ATS

2013-2013 3.6L V6

Cadillac ATS

2014-2014 2.0L Turbo I4

Cadillac ATS

2014-2014 2.5L I4

Cadillac ATS

2014-2014 3.6L V6

Cadillac ATS

2015-2015 2.0L Turbo I4

Cadillac ATS

2015-2015 2.5L I4

Common Questions

What does code C0045 mean on a 2007-2007 Cadillac SRX?

C0045 stands for "Left Rear Wheel Speed Sensor Circuit". Malfunction in left rear wheel speed sensor.

What are the symptoms of C0045 on a Cadillac SRX?

Common symptoms of C0045 include: ABS light on, Rear ABS not functioning.

What causes C0045 on a 2007-2007 Cadillac SRX?

Common causes of C0045 include: Faulty sensor, Tone ring damage, Wiring issue.

Last updated: March 2026

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