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Home/DTC Codes/Chevrolet/Corvette/2011-2011 6.2L V8 LS3/P1554
P1554

Cruise Engaged Circuit High Voltage

2011-2011 Chevrolet Corvette 6.2L V8 LS3 🇲🇽

Moderate SeverityPowertrain

Description

The PCM detected high voltage on the cruise control engaged circuit when cruise should not be active.

Symptoms

  • Cruise control activating unexpectedly
  • Check Engine Light
  • Cruise control inoperative
  • Vehicle speed changes without input

Common Causes

  • Faulty cruise control switch
  • Short to voltage in cruise control circuit
  • Faulty cruise control module
  • Damaged wiring

Diagnostic Steps

  1. Test cruise control switch
  2. Check circuit voltage
  3. Inspect wiring for shorts to power
  4. Test cruise control module

Repair Notes

Repair shorted wiring or replace cruise control switch/module.

Other Powertrain Codes

P1554 on Other Vehicles

Chevrolet Astro

1996-1996 4.3L V6 Vortec

Chevrolet Astro

1997-1997 4.3L V6 Vortec

Chevrolet Astro

1998-1998 4.3L V6 Vortec

Chevrolet Astro

1999-1999 4.3L V6 Vortec

Chevrolet Astro

2000-2000 4.3L V6 Vortec

Chevrolet Astro

2001-2001 4.3L V6 Vortec

Chevrolet Astro

2002-2002 4.3L V6 Vortec

Chevrolet Astro

2003-2003 4.3L V6 Vortec

Common Questions

What does code P1554 mean on a 2011-2011 Chevrolet Corvette?

P1554 stands for "Cruise Engaged Circuit High Voltage". The PCM detected high voltage on the cruise control engaged circuit when cruise should not be active.

What are the symptoms of P1554 on a Chevrolet Corvette?

Common symptoms of P1554 include: Cruise control activating unexpectedly, Check Engine Light, Cruise control inoperative, Vehicle speed changes without input.

What causes P1554 on a 2011-2011 Chevrolet Corvette?

Common causes of P1554 include: Faulty cruise control switch, Short to voltage in cruise control circuit, Faulty cruise control module, Damaged wiring.

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