Engine Controls - Revised DTCs P0342 & P0343

File In Section: 06 - Engine/Propulsion System

Bulletin No.: 99-06-04-043

Date: October, 1999

SERVICE MANUAL UPDATE

Subject:
Revised Diagnostic Table for DTCs P0342 and P0343

Models:
1999 Chevrolet Corvette

This bulletin is being issued to revise Step 4 of the diagnostic table for DTCs P0342 and P0343 in the Engine Controls sub-section of Engines in the Service Manual.

Please use the following to replace the existing information in the Service Manual.

Test Description

The numbers below refer to the step numbers on the diagnostic table.














2. This step verifies that the fault is present.

4. If the duty cycle is present at the PCM connector, the Camshaft Position sensor B+ reference and ground circuits are OK.

5. This step tests the Camshaft Position sensor B+ reference circuit.

6. This step tests the Camshaft Position sensor ground circuit.

9. This step tests for a short to B+ on the Camshaft Position sensor signal circuit.

10. This step tests for a short to ground on the Camshaft Position sensor signal circuit.