Diagnostic Trouble Code Definitions

WARNING: This page is about a different car, the 2002 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

DIAGNOSTIC TROUBLE CODE DEFINITIONS

DTC

Description

B3787

After Blow Circuit Low Voltage

B3788

After Blow Circuit High Voltage

P0530, P0532 & P0533

Compressor Clutch Relay High Voltage

P0645, P0646 & P0647

Compressor Clutch Relay Low Voltage

P1640

⁽¹⁾

⁽¹⁾	See DTC P1640: CONTROL MODULE OUTPUT CIRCUIT under DIAGNOSTIC TESTS in SELF-DIAGNOSTICS - 2.2L SATURN VUE article in ENGINE PERFORMANCE.