1. Home
  2. Forums
  3. Report post

Report this forum post

E121 = Steering safety relay deactivated due to incorrect voltage in drive stage or communication error with master processor.

Check the A5 card ( big silver card under the armrest panel.

Unplug all the connectors & reconnect them as a dodgy contact can throw this error code.

Also check the 30 amp blade fuse inside the motor compartment.
  • Posted 3 Aug 2012 02:14
  • By Forkingabout
  • joined 31 Mar'11 - 862 messages
  • england, United Kingdom

This is ONLY to be used to report flooding, spam, advertising and problematic (harassing, abusive or crude) posts.

Indicates mandatory field
Fact of the week
Brothers Adolf ("Adi") and Rudolf ("Rudi") Dassler split their shoe company after WWII due to a bitter feud, and established the rival companies of Adidas and Puma. Their personal animosity and business rivalry divided their German hometown Herzogenaurach. The town became known as "the town of bent necks" due to the intense loyalty to each brand.
Techlift grows with acquisition Drummondville, QC, Canada
Latest job alerts …
Road Service Technician
Philadelphia, United States
Road Service Technician
Davenport, IA, United States
Mechanic / Service tech
Prospect CT, United States
Service Technician
Dayton OH/Cincinnati OH, United States
View more jobs alerts
Upcoming industry events …
Antwerp XL
October 14-16, 2025 - Antwerp, Austria
LogiMAT Southeast Asia 2025
October 15-17, 2025 - Bangkok, Thailand
Intermodal Africa 2026
November 17-19, 2026 - Luanda, Angola
More Events
Fact of the week
Brothers Adolf ("Adi") and Rudolf ("Rudi") Dassler split their shoe company after WWII due to a bitter feud, and established the rival companies of Adidas and Puma. Their personal animosity and business rivalry divided their German hometown Herzogenaurach. The town became known as "the town of bent necks" due to the intense loyalty to each brand.