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Home/DTC Codes/Cadillac/SRX/2007-2007 3.6L V6/C0501
C0501

Transfer Case Control Module Communication

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 c0501 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.

Description

Loss of communication between the transfer case module and other vehicle systems.

Symptoms

  • 4WD light flashing
  • Service 4WD warning
  • Cannot select drive modes
  • Transmission may default to limp mode

Common Causes

  • CAN bus wiring fault to module
  • Module connector disconnected
  • Module power loss
  • CAN bus termination issue

Diagnostic Steps

  1. Check CAN wiring to transfer case module
  2. Inspect module connector
  3. Verify power and ground at module
  4. Look for U-codes related to transfer case
  5. Check CAN bus resistance

Repair Notes

Repair CAN wiring or connector. Replace module if communication chip failed.

Related Codes

C0500Transfer Case Control Module MalfunctionC0510Transfer Case Shift Motor Circuit

Other Chassis Codes

C0501 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 C0501 mean on a 2007-2007 Cadillac SRX?

C0501 stands for "Transfer Case Control Module Communication". Loss of communication between the transfer case module and other vehicle systems.

What are the symptoms of C0501 on a Cadillac SRX?

Common symptoms of C0501 include: 4WD light flashing, Service 4WD warning, Cannot select drive modes, Transmission may default to limp mode.

What causes C0501 on a 2007-2007 Cadillac SRX?

Common causes of C0501 include: CAN bus wiring fault to module, Module connector disconnected, Module power loss, CAN bus termination issue.

Last updated: March 2026

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