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Home/DTC Codes/Nissan/Altima/2007-2012 2.5L I4/U0108
U0108

Lost Communication with Exhaust Gas Recirculation Module

2007-2012 Nissan Altima 2.5L I4

Moderate SeverityNetworkGeneric (SAE)

Description

Cannot communicate with the EGR system control module.

Symptoms

  • Check Engine Light
  • Increased NOx emissions
  • EGR-related DTCs
  • Poor fuel economy
  • Rough idle

Common Causes

  • EGR module failure
  • CAN bus wiring issue
  • Fuse blown
  • Connector corrosion
  • Carbon buildup causing module damage

Diagnostic Steps

  1. Check EGR module fuse
  2. Test power and ground
  3. Inspect CAN wiring
  4. Check connector condition
  5. Test EGR module directly

Repair Notes

Check fuses and wiring. EGR modules on diesels are prone to carbon contamination.

Related Codes

P0401EGR Flow Insufficient DetectedP0403EGR Control CircuitU0100Lost Communication with ECM/PCM

Other Network Codes

U0108 on Other Vehicles

Nissan 200SX

1995-1998 1.6L I4 GA16DE

Nissan 200SX SE-R

1995-1998 2.0L I4 SR20DE

Nissan 240SX

1995-1998 2.4L I4 KA24DE

Nissan 300ZX

1990-1996 3.0L V6 VG30DE

Nissan 300ZX Twin Turbo

1990-1996 3.0L Twin-Turbo V6 VG30DETT

Nissan 350Z

2003-2006 3.5L V6 VQ35DE

Nissan 350Z

2007-2009 3.5L V6 VQ35HR

Nissan 370Z

2009-2020 3.7L V6 VQ37VHR

Common Questions

What does code U0108 mean on a 2007-2012 Nissan Altima?

U0108 stands for "Lost Communication with Exhaust Gas Recirculation Module". Cannot communicate with the EGR system control module.

What are the symptoms of U0108 on a Nissan Altima?

Common symptoms of U0108 include: Check Engine Light, Increased NOx emissions, EGR-related DTCs, Poor fuel economy, Rough idle.

What causes U0108 on a 2007-2012 Nissan Altima?

Common causes of U0108 include: EGR module failure, CAN bus wiring issue, Fuse blown, Connector corrosion, Carbon buildup causing module damage.

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