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Saturn Diagnostic Codes, Trouble Codes and Descriptions.

WesTech Auto

Diagnostic Codes

Saturn

1991-1995
11 Transmission Diagnostic Trouble Code Present.
12 Diagnostic Trouble Code system operating properly.
13 Oxygen Sensor Circuit (open or not ready).
14 Engine Coolant Temperature Circuit (Temperature out of range - High).
15 Engine Coolant Temperature Circuit (Temperature out of range - Low).
16 Electronic Variable Orifice Fault.
17 PCM Fault (pull-up resistor).
19 6X Signal Faults.
21 Throttle Position Sensor Circuit (Voltage out of range - High).
22 Throttle Position Sensor Circuit Voltage out of range - Low.
23 Intake Air Temperature Sensor Circuit (Temperature out of range - Low).
24 No Vehicle Speed Sensor Circuit Signal.
25 Intake Air Temperature Sensor Circuit (Temperature out of range - High).
26 Quad Driver Output Fault.
32 EGR System Fault.
33 MAP Sensor Circuit (Voltage out of range - High).
34 MAP Sensor Circuit (Voltage out of range - Low).
35 Idle Air Control RPM out of range.
41 Open or Shorted EST/IC Bypass Circuit.
42 Open or Shorted EST/IC Bypass Circuit.
43 Open or Shorted Knock Sensor Circuit.
44 Lean Oxygen Sensor System Indication.
45 Rich Oxygen Sensor System Indication.
46 Open Power Steering Pressure Switch Circuit.
49 Vacuum Leak (High Idle Speed).
51 PCM Memory Error.
55 Analog/Digital Conversion Error.
81 ABS Message Fault.
82 PCM Internal Communication Fault.
The Diagnostic Codes and Explanations are derived from Manufacturer supplied Technical Data. WesTech does not guarantee the accuracy of this Information nor can it be held liable for providing it.
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