Honda HR-V: DTC U3000-49 (Gauge Control Module) ECU Internal Circuit Malfunction
Honda HR-V (2015-2021) Service Manual / Accessories & Equipment / Gauge Control System - Diagnostics / DTC U3000-49 (Gauge Control Module) ECU Internal Circuit Malfunction
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DTC (Gauge Control Module)
1. Problem verification.
- Clear the DTCs with the HDS.
Clear DTCs
- Turn the vehicle to the OFF (LOCK) mode and then the ON mode.
- Wait for at least 6 seconds.
- Check for DTCs with the HDS.
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Is DTC U3000-49 indicated?
YES
Replace the gauge control module.
NO
Intermittent failure, the system is OK at this time.
READ NEXT:
DTC U3000-51 (Gauge Control Module) Reprogramming Error
DTC (Gauge Control Module)
NOTE:
Before update the gauge control module, make sure the 12 volt battery in
the vehicle is fully charged, and
connect a 12 volt jumper battery (not a battery charge
Description
GAUGES SYSTEM DESCRIPTION - CONTROL/FUNCTION
Speedometer and Tachometer
The PCM provides a vehicle speed signal to the gauge control module using the
F-CAN. Based on this input,
the gauge control mod
SEE MORE:
Radiator and A/C Condenser Fan, Motor, and Shroud Removal and
Installation
Removal and Installation
1. 12 Volt Battery - Remove
2. Front Grille Cover - Remove
3. Air Intake Duct - Remove
4. Front Grille Center Stay - Remove
5. Hood Latch - Remove
NOTE:
Do not disconnect the hood opener cable.
Disconnect the connector at the same time.
6. Engine Undercover - Remove (Wit
Testing
FRONT SEAT HEATER CONTROL UNIT INPUT TEST
NOTE : Before testing, make sure the No. C19 (20 A), No. C24 (7.5 A), and No.
C39 (10 A) fuses in the under-dash
fuse/relay box are OK.
1. Disconnect the front seat heater control unit 14P connector.
2. Inspect the connector and socket terminals to be sure
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