GMC Yukon XL 2000–2006

▸Known issuesLean hesitation, sag or stumble at -6 to +20°C coolant temperature (PCM reprogram)1

1. Manufacturer communication2000 GMC YUKON XL ・ 2001-05-01(also printed in 1 other issues)

   Lean hesitation, sag or stumble at -6 to +20°C coolant temperature (bulletin 00-06-03-009A)

   1. 1Fault

      • Loss of engine power, no acceleration
      ↓→

   2. 2Finding the cause

      Not stated

      ↓→

   3. 3Correction

      Repair

      • The correction is to reprogram the PCM.
   Read the sentences of the record

   From the manufacturer’s document

   • Applies to：Bulletin 00-06-03-009A, which replaces 00-06-03-009, lean hesitation, sag or stumble when coolant temperature is between -6 and +20°C, lists 2000 Chevrolet and GMC C/K models (Silverado, Sierra, Suburban, Tahoe, Yukon, Yukon XL) with the 4.8L, 5.3L or 6.0L V8 engine and 4L60-E automatic transmission (RPO M30).
   • Repair：The correction is to reprogram the PCM.

   Open this issue of GM TechLink ↗ The points above are read from an article of TechLink, GM’s monthly publication for dealership technicians. The article itself is not reproduced here.

   Remedy

   This review of service bulletins released through mid-April 00-06-03-009A; replaces 00-06-03- 009; Lean Hesitation, Sag or Stumble When Coolant Temperature is Between - 6 and +20°C (Reprogram PCM); 2000 Chevrolet and GMC C/K Models (Silverado, Sierra, Suburban, Tahoe, Yukon, Yukon XL) with 4.8L, 5.3L or 6.0L V8 Engine (VINs V, T, U -- RPOs LR4, LM7, LQ4) with 4L60-E Automatic Transmission (RPO M30) Lean Hesitation, Sag or Stumble When Coolant Temperature is Between - 6 and +20°C (Reprogram PCM)