C0020 on Ram Vehicles: ABS Pump Motor Control Circuit
The ABS module saw a fault in the electric pump motor that builds brake pressure during ABS stops. C0020 →
296Complaints mentioning the code
#1Rank among 2 brands
51.3%Share of Ram DTC complaints
In NHTSA owner complaints we analyzed for Ram, C0020 was mentioned 296 times.
Most mentioned models
| Ram 2500 | 222 | |
|---|---|---|
| Ram 3500 | 69 | |
| Ram 1500 | 5 |
Model years mentioned
Components named in these complaints
- Service Brakes (293)
- Electrical System (73)
- Vehicle Speed Control (46)
- Forward Collision Avoidance (36)
- Hydraulic (6)
Reports with a crash: 1 · fire: 0 · injuries: 0
Possible causes
- Blown, loose or corroded high-current pump fuse, or burnt terminal in the underhood fuse box
- Worn or seized pump motor (brushes or bearings) inside the ABS hydraulic unit
- Poor ground or corroded pump/module connector near the battery or wheel well
- Weak battery, failing alternator or voltage drop during the pump self-test
Related codes
- C0035 The ABS module lost a valid signal from the driver-side front wheel…
- C0021 The brake module thinks the power brake booster isn't giving…
- C0040 The ABS module isn't getting a usable signal from the passenger-side…
- C0045 The ABS module lost a valid signal from the driver-side rear wheel…
- C0050 The ABS module can't trust the passenger-side rear wheel speed signal…
- C0055 The ABS module lost the combined rear-axle speed signal used on many…
Source: NHTSA Complaints API (US government open data), analyzed by DTC mention.