GMC Yukon XL 2000–2006
Common on this vehicle:Warning lightLoss of engine power, no accelerationNoise
Record by record
3 records state a cause or a remedy. Each record is shown as short labels in the order fault → finding the cause → correction. Press a label to narrow to the records that state it.
Read the records one by one (2)
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.
Read the sentences of the record
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
No component category1
Manufacturer communication2001–2002 GMC VEHICLES WITH 4.8L, 5.3L, 5.7L, 6.0L OR 8.1L ENGINE (YUKON XL) ・ 2002-04-01
Revised DTC P1221 (bulletin 02-06-04-005)
1Fault
2Finding the cause
Steps to confirm (in the document’s order)
- Revised DTC P1221.
3Correction
Read the sentences of the record
From the manufacturer’s document
- Applies to:Bulletin 02-06-04-005 lists "specified 2001-02 vehicles with 4.8L, 5.3L, 5.7L, 6.0L or 8.1L Engine" (VINs V, T, G, S, U; RPOs LR4, LM7, LS1, LS6, LQ4, L18).
- Confirm:Revised DTC P1221.
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 – March 2002 02-06-04-005; Revised DTC P1221; specified 2001-02 vehicles with 4.8L, 5.3L, 5.7L, 6.0L or 8.1L Engine (VINs V , T , G, S, U – RPOs LR4, LM7 , LS1, LS6, LQ4, L18) Revised DTC P1221
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