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2011 ACURA RL
3.7L V6•AWD•AUTOMATIC•gas
6 active safety recalls on this vehicle — view recalls
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Repairs0Labor479Torque4166Fluid7DTC1896Battery1Maintenance0Recalls6
P0670moderate severityPowertrain

Glow Plug Module Control Circuit

on 2011 Acura RL 3.7L V6 · AWD

What this code means

The PCM detected a fault in the glow plug module control circuit. This circuit controls the glow plugs that aid cold starting in diesel engines.

Symptoms

  • Hard cold starting
  • Check engine light on
  • White exhaust smoke on start

Common causes

  • Faulty glow plug module
  • Open or shorted wiring
  • Corroded connector
  • Faulty PCM

Diagnostic steps

  1. Scan for codes
  2. Inspect glow plug module wiring
  3. Test module control circuit
  4. Check power and ground to module
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