Starting DTCS
WARNING: This page is about a different car, the 2003 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
STARTING AIR BAG DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| DTC B1327 | Low Voltage |
| DTC B1328 | High Voltage |
| DTC P0562 | PCM Detects An Improper Voltage Below 11 Volts |
| DTC P0563 | PCM Senses System Voltage Is Above 19 Volts |
| DTC P0615 | Starter Relay Control Circuit Voltage |
| DTC P1637 | Improper Voltage On Generator L-Terminal Circuit |
| DTC P1638 | PWM Signal Is Out Of Range |