GMC Yukon XL 2000–2006
Common on this vehicle:Warning light
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Known issuesRear bank knock sensor corrosion from water intrusion (P0332)1
Manufacturer communication2000–2002 GMC SPECIFIED VEHICLES 1998-2002 WITH 4.8L, 5.3L OR 6.0L ENGINE (YUKON XL) ・ 2002-09-01(also printed in 1 other issues)
1Fault
- Audible spark knock (detonation), MIL illuminated, DTC P0332 set.
2Finding the cause
Not stated
3Correction
Repair
- Replace the rear bank knock sensor and RTV the area around the sensor.
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From the manufacturer’s document
- Applies to:Bulletin 02-06-04-023A, which replaces 02-06-04-023, lists "specified vehicles 1998-2002 with 4.8L, 5.3L or 6.0L Engine" (VINs V, T, Z, N, U; RPOs LR4, LM7, L59, LQ9, LQ4).
- Condition:Audible spark knock (detonation), MIL illuminated, DTC P0332 set.
- Repair:Replace the rear bank knock sensor and RTV the area around the sensor.
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
- Bulletins – August 2002 02-06-04-023A; replaces 02-06-04-023; Audible Spark Knock (Detonation), MIL Illuminated, DTC P0332 Set (Replace Rear Bank Knock Sensor and RTV Area Around Sensor); specified vehicles 1998-2002 with 4.8L, 5.3L or 6.0L Engine (VINs V, T, Z, N, U – RPOs LR4, LM7, L59, LQ9, LQ4) Audible Spark Knock (Detonation), MIL Illuminated, DTC P0332 Set Replace Rear Bank Knock Sensor and RTV Area Around Sensor
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