Skip to main content
Error code reference
Bosch Dishwasher Error Code E:04
Faulty safety heater relay on power module, ground fault at heat pump heater, or ground fault at zeolite heater.
SourceBosch SHXM78 Dishwasher - Service Manualp. 39
Diagnostic procedure
The full E:04 procedure
Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.
MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Replace power module (if relay) or replace heat pump/zeolite container (if ground fault).
SourceBosch SHXM78 Dishwasher - Service Manualp. 39
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock E:04 procedure $9.95
Or subscribe: $29/month for all codes plus Max diagnostics, with 70 Max messages a day. Plus applicable tax.
Where this code is documented
12 manuals in the MyPros+ library document this code for Bosch dishwasher.
Models covered by the manuals that document this code
- 58300000158541
- 58300000213419
- 58300000233202
- 58300000238252
- FD9108
- GV64
- GV640
- GV640/440/550
- GV640A
- GV640AEU_UC
- GV640AUS
- SHE4AP05UC/03
- SHEM3AY55N01
- SHP65CM
- SHP65T52UC/01
- SHP65T52UC/02
- SHP65T52UC/07
- SHP65T52UC/09
- SHP65T55UC/01
- SHP65T55UC/02
- SHP65T55UC/07
- SHP65T55UC/09
- SHP65T56UC/01
- SHP65T56UC/02
More models are covered than are listed here.
75,000+ service documents · 20,000+ error codes · 100+ brands
Get Started$29/month · Cancel anytime · Or $9.95 3-day pass · Plus applicable tax