Terex-Demag · 2000–present
Terex-Demag AC Control Unit Repair
Is the ECU in the Terex-Demag AC (2000–present) faulty? We repair engine control units for this model. Revonik tests and repairs the original unit fitted in your vehicle at component level — significantly cheaper than a new part, within 2–4 working days and with a 24-month warranty.
- 24 monthsWarranty
- Diagnostic check €69credited against the repair cost
- 2–4 working daysStandard repair
- Original unitnot an exchange part
Suitable control units for the AC
All control units fitted to the Terex-Demag AC and repaired by Revonik.
Common error codes
These error codes frequently occur in the AC control units.
| Code | Description | Control unit |
|---|---|---|
| 04024 | internal error | Temic PLD control unit |
| 4805 | A plug-in pump on Bank 1 has a short circuit to positive | Temic PLD control unit |
| 4905 | A plug-in pump on Bank 2 has a short circuit to positive | Temic PLD control unit |
| 07543 | Battery voltage too low | Temic PLD control unit |
| 15026 | Plug-in pump for cylinder 1: valve not engaging | Temic PLD control unit |
| 15126 | Plug-in pump for cylinder 2: valve not engaging | Temic PLD control unit |
| 15226 | Plug-in pump for cylinder 3: valve not engaging | Temic PLD control unit |
| 15326 | Plug-in pump for cylinder 4: valve not engaging | Temic PLD control unit |
| 15426 | Plug-in pump for cylinder 5: valve not engaging | Temic PLD control unit |
| 15526 | Plug-in pump for cylinder 6: valve not engaging | Temic PLD control unit |
| 24806 | The return circuit of the submersible pumps on Bank 1 has a short circuit to earth | Temic PLD control unit |
| 24906 | The return circuit of the submersible pumps on Bank 2 has a short circuit to earth | Temic PLD control unit |
Contact formIs the control unit faulty?
Is the control unit faulty?
We’ll look into it.
Please send us your enquiry — we’ll usually get back to you within 24 hours with an estimate.













































































