EXPERTEC Technical Service Bulletins (416512)

Publication date: 1994-05-09
Reference number: 416512

EXPERTEC TECHNICAL SERVICE BULLETINS

TECHNICAL SERVICE BULLETIN

Reference Number(s): 416512, Date of Issue: 05/09/1994

SMU - SECTION 6E3 - REVISED DTC P0123 CHART

Model(s): 1994 Buick Regal, LeSabre, Park Avenue

1994 Chevrolet Lumina APV

1994 Oldsmobile Eighty Eight, Ninety Eight, Silhouette

1994 Pontiac Bonneville, Trans Sport

with 3800 Engine (VINs 1, L - RPOs L67, L27)

Bulletin No.: 416512

Date: May 9, 1994

SERVICE INFORMATION

This bulletin updates the DTC P0123 (TP) Sensor Circuit (Signal Voltage High) chart. The revised chart (see Fig 1 ) addresses the possibility of a faulty EGR valve inducing battery voltage into the PCM on the EGR 5V reference (CKT 474).

Fig 1: Revised DTC P0123 Chart