00668

From Ross-Tech Wiki

00668 - Supply Voltage Terminal 30

00668 - Supply Voltage Terminal 30: Signal Outside Specifications

00668 - Supply Voltage Terminal 30: Implausible Signal

Possible Causes

• Fuse(s) faulty
• Wiring/Connectors from/to Control Module faulty
• Power Supply (Battery/Generator) faulty

Possible Solutions

• Check Fuse(s)
• Check/Repair Wiring/Connectors from/to Control Module
• Check Power Supply (Battery/Generator)

Special Notes

• When found in an individual control module, it's most likely a local source (e.g. wiring/connectors).
• When found in multiple control modules at the same time, it's most likely a common source (e.g. ground spot, battery, generator).
• Intermittent codes are often stored during low outside temperature when the battery capacity goes down and may be ignored.