One problem related to underhood wiring has been reported for the 1998 GMC Sonoma. The most recently reported issues are listed below.
Unccceptable maintenance required. , unsatisfactory dealer repairs, service, and satisfaction. No safety efects listed in the summary.
| Wiring problems | |
| Battery problems | |
| Ignition problems | |
| Starter problems | |
| Underhood Wiring problems | |
| Electrical System problems | |
| Ignition Coils Failure problems |