B0980Ignition Switch Run/Start Position Circuit
- Generic OBD-II code · Body
- How the car detects it
- Public sources give no meaning for B0980: J2012 extracts and OEM or NHTSA documents leave it out. The title concerns the signal by which the ignition switch reports its run and start positions. GM-era Saab vehicles use other numbers for this: the 9-3 column module sets B1440 0F when the +15 supply from the ignition switch module is open and B1368 00 when that input is shorted to battery; in both cases it blocks cranking and deactivates the steering lock. GM's 2011 Saab 9-5 energises an ignition 1 relay in run and start and stores B144A 02 for a grounded control line, giving a no-start or an engine that keeps running after the key is removed. FMVSS 114 defines the key-operated starting system and its anti-theft requirements.
- What you may notice
- Engine does not crank although the key is turned
- Ignition cannot be switched off or key cannot be removed
- Steering lock or electrical consumers behave erratically
- Likely causes
- LikelyWorn contacts in the ignition switch
- PossibleOpen or shorted ignition feed wire
- PossibleIgnition relay or its control line faulty
- RareLow battery voltage causing implausible signals
- Repair
- Medium · Usually a job for a workshop.Typical cost: €60 – €600
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.