Regal V6-3.8L VIN K (1997)
Engine Control Module: All Technical Service Bulletins
Instruments - Cluster Resets When Ham Radio Is Keyed
File In Section: 6E - Engine Fuel & Emission
Bulletin No.: 77-65-29
Date: November, 1997
Subject:
Instrument Cluster Resets when On-board Ham Radio is Keyed
(Replace the PCM)
Models:
1997 Buick Century, Regal
1997 Chevrolet Malibu
1997 Oldsmobile Cutlass
with 310013800 V6 Engine (VINs M, K, 1 - RPOs L82, L36, L67)
Condition
Some vehicles may experience an instrument cluster reset if the vehicle has an on-board Ham radio operating under the 10 MHz frequency range and the
transmitter is keyed on.
Correction
A new PCM has been released to correct this condition. The new PCM has a 47 Micro Henry choke in place to eliminate the interference generated by
the on-board Ham radio equipment.
Do not forget to transfer the Knock Sensor Module from the old PCM into the new PCM.
Parts Information
Parts are currently available from GMSPO.
Warranty Information
For vehicles repaired under warranty, use:
Labor Code
Labor Time
J6360 PCM, Replace
Use Published Labor
Operation Time