REASSEMBLY or FUEL TANK UNIT REMOVAL AND INSTALLATION , then do the repair
verification .
REPAIR VERIFICATION
ο‘
ο‘
1. Turn the ignition switch to ON (II).
2. Reset the PCM with the HDS See HOW TO TROUBLESHOOT THE A/T SYSTEM or HOW
TO TROUBLESHOOT THE FUEL AND EMISSIONS SYSTEMS .
ο‘
ο‘
3. DO THE PCM IDLE LEARN PROCEDURE .
4. Check for Pending or Confirmed DTCs with the HDS.
Confirmed Pending Freeze
DTC Description
DTC
DTC
Frame
P0461 FUEL LEVEL SENSOR (FUEL GAUGE SENDING
UNIT) CIRCUIT RANGE/PERFORMANCE PROBLEM
Are any Pending or Confirmed DTCs indicated?
YES : Go to the indicated DTC's Troubleshooting.
NO : Troubleshooting is complete.
DTC P0462: FUEL LEVEL SENSOR (FUEL GAUGE SENDING UNIT) CIRCUIT
LOW VOLTAGE
Fig. 221: DTC Troubleshooting Flow Chart (P0462)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and
review the general troubleshooting information See HOW TO TROUBLESHOOT
THE A/T SYSTEM or HOW TO TROUBLESHOOT THE FUEL AND EMISSIONS
SYSTEMS .
Confirmed
DTC
Pending
DTC
Freeze
Frame
DTC Description
P0462 FUEL LEVEL SENSOR (FUEL GAUGE SENDING
UNIT) CIRCUIT LOW VOLTAGE
1. Problem verification:
ο‘
1. Turn the ignition switch to ON (II).
ο‘
2. Clear the DTC with the HDS See HOW TO TROUBLESHOOT THE A/T SYSTEM or
HOW TO TROUBLESHOOT THE FUEL AND EMISSIONS SYSTEMS .
ο‘
ο‘
3. Wait 5 seconds.
4. Check for Pending or Confirmed DTCs with the HDS.
Confirmed Pending
DTC DTC
Freeze
Frame
DTC Description
P0462 FUEL LEVEL SENSOR (FUEL GAUGE
SENDING UNIT) CIRCUIT LOW VOLTAGE
Is DTC P0462 indicated?
YES : The failure is duplicated. Go to step 2.
NO : Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at
the gauge control module and the fuel gauge sending unit.
2. Fuel gauge sending unit check:
ο‘
ο‘
ο‘
ο‘
ο‘
ο‘
1. Turn the ignition switch to LOCK (0).
2. Remove the access panel from the floor.
3. Disconnect the following connector. Fuel tank unit 4P connector
4. Turn the ignition switch to ON (II).
5. Wait 5 seconds.
6. Check for Pending or Confirmed DTCs with the HDS.
Confirmed
Pending
DTC
Freeze
Frame
DTC Description
DTC
P0463 FUEL LEVEL SENSOR CIRCUIT HIGH
VOLTAGE
Is DTC P0463 indicated?
YES : Replace the fuel gauge sending unit See FUEL TANK UNIT DISASSEMBLY AND
REASSEMBLY or FUEL TANK UNIT REMOVAL AND INSTALLATION , then do the repair
verification .
NO : The fuel gauge sending unit is OK. Go to step 3.
3. Determine possible failure area (FUEL GAGE+ line, others):
ο‘
1. Measure the voltage between test points 1 and 2.
Test condition IG ON (II)
Fuel tank unit 4P connector: disconnected
Test circuit FUEL GAGE+
Test point 1 Fuel tank unit 4P connector No. 2 (YEL)
Test point 2 Body ground
Fig. 222: Measuring Voltage Between Fuel Tank Unit 4P Connector No. 2 (YEL) And Body
Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there battery voltage?
YES : Go to step 5.
NO : Go to step 4.
4. Shorted wire check (FUEL GAGE+ line):
ο‘
1. Turn the ignition switch to LOCK (0).
ο‘
2. Remove the gauge control module See GAUGE CONTROL MODULE REMOVAL AND
INSTALLATION or Rewriting the ODO Data and Transferring the Maintenance Minderβ’ Data
to a New Gauge Control Module.
ο‘
3. Disconnect the following connector.
Gauge control module 32P connector
4. Check for continuity between test points 1 and 2.
Test condition IG LOCK (0)
ο‘
Fuel tank unit 4P connector: disconnected
Gauge control module 32P connector: disconnected
Test circuit FUEL GAGE+
Test point 1 Fuel tank unit 4P connector No. 2 (YEL)
Test point 2 Body ground
Fig. 223: Checking Continuity Between Fuel Tank Unit 4P Connector No. 2 (YEL) And Body
Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : Repair a short in the FUEL GAGE+ wire between the gauge control module and the fuel tank unit,
then do the repair verification .
NO : The FUEL GAGE+ wire is OK. Replace the gauge control module See GAUGE CONTROL
MODULE REMOVAL AND INSTALLATION or Rewriting the ODO Data and Transferring the
Maintenance Minderβ’ Data to a New Gauge Control Module, then do the repair verification .
5. Gauge control module check:
ο‘
1. Reconnect the following connector.
Gauge control module 32P connector
ο‘
ο‘
2. Remove the fuel tank unit See FUEL TANK UNIT DISASSEMBLY AND REASSEMBLY or
FUEL TANK UNIT REMOVAL AND INSTALLATION .
3. Connect the following connector.
Fuel tank unit 4P connector
ο‘
ο‘
4. Turn the ignition switch to ON (II).
5. Clear the DTC with the HDS See HOW TO TROUBLESHOOT THE A/T SYSTEM or
HOW TO TROUBLESHOOT THE FUEL AND EMISSIONS SYSTEMS .
ο‘
6. Set the float (A) to the E position.
Fig. 224: Identifying Distance Between Float At E Position To Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
ο‘
7. Check the fuel gauge.
Does the gauge move to the empty position?
YES : The gauge control module is OK. Update the PCM See PCM REMOVAL AND
INSTALLATION or PCM UPDATE if it does not have the latest software, or substitute a known-
good PCM See PCM REMOVAL AND INSTALLATION or PCM UPDATE , then do the repair
verification .
NO : Replace the gauge control module See GAUGE CONTROL MODULE REMOVAL AND
INSTALLATION or Rewriting the ODO Data and Transferring the Maintenance Minderβ’ Data to a
New Gauge Control Module, then do the repair verification .
REPAIR VERIFICATION
ο‘
ο‘
ο‘
ο‘
1. Turn the ignition switch to LOCK (0).
2. Reinstall all removed parts in the reverse order of removal.
3. Turn the ignition switch to ON (II).
4. Reset the PCM with the HDS See HOW TO TROUBLESHOOT THE A/T SYSTEM or HOW
TO TROUBLESHOOT THE FUEL AND EMISSIONS SYSTEMS .
ο‘
ο‘
5. DO THE PCM IDLE LEARN PROCEDURE .
6. Check for Pending or Confirmed DTCs with the HDS.
Confirmed
DTC
Pending
DTC
Freeze
Frame
DTC Description
P0462 FUEL LEVEL SENSOR (FUEL GAUGE SENDING
UNIT) CIRCUIT LOW VOLTAGE
Is DTC P0462 indicated?
YES : Check for poor connections or loose terminals at the gauge control module and the fuel gauge sending
unit. If the PCM was updated, substitute a known-good PCM See PCM REMOVAL AND
INSTALLATION or PCM UPDATE , then recheck. If the PCM was substituted, go to step 1.
NO : Troubleshooting is complete. If the PCM was substituted, replace the original PCM See PCM
REMOVAL AND INSTALLATION or PCM UPDATE . If any other Pending or Confirmed DTCs are
indicated, go to the indicated DTC's troubleshooting.
DTC P0463: FUEL LEVEL SENSOR (FUEL GAUGE SENDING UNIT) CIRCUIT
HIGH VOLTAGE
NOTE:
Before you troubleshoot, record all freeze data and any on-board snapshot, and
review the general troubleshooting information See HOW TO TROUBLESHOOT
THE A/T SYSTEM or HOW TO TROUBLESHOOT THE FUEL AND EMISSIONS
SYSTEMS .
Confirmed
DTC
Pending
DTC
Freeze
Frame
DTC Description
P0463 FUEL LEVEL SENSOR (FUEL GAUGE SENDING
UNIT) CIRCUIT HIGH VOLTAGE
1. Problem verification:
ο‘
1. Turn the ignition switch to ON (II).
ο‘
2. Clear the DTC with the HDS See HOW TO TROUBLESHOOT THE A/T SYSTEM or
HOW TO TROUBLESHOOT THE FUEL AND EMISSIONS SYSTEMS .
ο‘
ο‘
3. Wait 5 seconds.
4. Check for Pending or Confirmed DTCs with the HDS.
Confirmed Pending
DTC DTC
Freeze
Frame
DTC Description
P0463 FUEL LEVEL SENSOR (FUEL GAUGE
SENDING UNIT) CIRCUIT HIGH VOLTAGE
Is DTC P0463 indicated?
YES : The failure is duplicated. Go to step 2.
NO : Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at
the gauge control module and the fuel gauge sending unit.
2. Determine possible failure area (FUEL GAGE+ line or FUEL GAGE- line, others):
ο‘
ο‘
ο‘
1. Turn the ignition switch to LOCK (0).
2. Remove the access panel from the floor.
3. Disconnect the following connector.
Fuel tank unit 4P connector
ο‘
ο‘
4. Turn the ignition switch to ON (II).
5. Measure the voltage between test points 1 and 2.
Test condition IG ON (II)
Fuel tank unit 4P connector: disconnected
Test circuit FUEL GAGE+, FUEL GAGE-
Test point 1 Fuel tank unit 4P connector No. 2 (YEL)
Test point 2 Fuel tank unit 4P connector No. 4 (PUR)
Fig. 225: Measuring Voltage Between Fuel Tank Unit 4P Connector No. 2 (YEL) And No. 4
(PUR)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there battery voltage?
YES : Go to step 5.
NO : Go to step 3.
3. Open wire check (FUEL GAGE- line):
ο‘
1. Turn the ignition switch to LOCK (0).
ο‘
2. Connect terminals A and B with a jumper wire.
Terminal A Fuel tank unit 4P connector No. 4 (PUR)
Terminal B Body ground
Fig. 226: Identifying Fuel Tank Unit 4P Connector Terminals
Courtesy of AMERICAN HONDA MOTOR CO., INC.
ο‘
ο‘
3. Remove the gauge control module See Rewriting the ODO Data and Transferring the
Maintenance Minderβ’ Data to a New Gauge Control Module or GAUGE CONTROL MODULE
REMOVAL AND INSTALLATION .
4. Disconnect the following connector.
Gauge control module 32P connector
ο‘
5. Check for continuity between test points 1 and 2.
Test condition IG LOCK (0)
Fuel tank unit 4P connector: disconnected
Fuel tank unit 4P connector No. 4: jumped to body ground
Gauge control module 32P connector: disconnected
Test circuit FUEL GAGE-
Test point 1 Gauge control module 32P connector No. 21 (BLK)
Test point 2 Body ground
Fig. 227: Checking Continuity Between Gauge Control Module 32P Connector No. 21 (BLK)
And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : The FUEL GAGE- wire is OK. Go to step 4.
NO : Repair an open in the FUEL GAGE- wire between the gauge control module and the fuel tank unit,
then do the repair verification .
4. Open wire check (FUEL GAGE+ line):
ο‘
1. Connect terminals A and B with a jumper wire.
Terminal A Fuel tank unit 4P connector No. 2 (YEL)
Terminal B Body ground
Fig. 228: Connecting Wire Between Fuel Tank Unit 4P Connector No. 2 (YEL) And Body
Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
ο‘
2. Check for continuity between test points 1 and 2.
Test condition IG LOCK (0)
Fuel tank unit 4P connector: disconnected
Fuel tank unit 4P connector No. 2: jumped to body ground
Gauge control module 32P connector: disconnected
Test circuit FUEL GAGE+
Test point 1 Gauge control module 32P connector No. 22 (BLU)
Test point 2 Body ground
Fig. 229: Checking Continuity Between Gauge Control Module 32P Connector No. 22 (BLU)
And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : The FUEL GAGE+ wire is OK. Go to step 5.
NO : Repair an open in the FUEL GAGE+ wire between the gauge control module and the fuel tank unit,
then do the repair verification .
5. Fuel gauge sending unit performance check:
ο‘
ο‘
ο‘
1. Turn the ignition switch to LOCK (0).
2. Remove the jumper wire from the fuel tank unit 4P connector.
3. Remove the fuel tank unit See FUEL TANK UNIT REMOVAL AND INSTALLATION or
FUEL TANK UNIT DISASSEMBLY AND REASSEMBLY .
ο‘
4. TEST THE FUEL GAUGE SENDING UNIT .
Is the fuel gauge sending unit OK?
YES : The fuel gauge sending unit is OK. Go to step 6.
NO : Replace the fuel gauge sending unit, then do the repair verification .
6. Gauge control module check:
ο‘
1. Connect the following connectors.
Fuel tank unit 4P connector
Gauge control module 32P connector
ο‘
ο‘
2. Turn the ignition switch to ON (II).
3. Clear the DTC with the HDS See HOW TO TROUBLESHOOT THE A/T SYSTEM or
HOW TO TROUBLESHOOT THE FUEL AND EMISSIONS SYSTEMS .
ο‘
4. Set the float (A) to the F position.
Fig. 230: Identifying Distance Between Float At F Position To Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
ο‘
5. Check the fuel gauge.
Does the gauge move to the full position?
YES : The gauge control module is OK. Update the PCM See PCM REMOVAL AND
INSTALLATION or PCM UPDATE if it does not have the latest software, or substitute a known-
good PCM See PCM REMOVAL AND INSTALLATION or PCM UPDATE , then do the repair
verification .
NO : Replace the gauge control module See GAUGE CONTROL MODULE REMOVAL AND
INSTALLATION or Rewriting the ODO Data and Transferring the Maintenance Minderβ’ Data to a
New Gauge Control Module, then do the repair verification .
REPAIR VERIFICATION
ο‘
ο‘
ο‘
ο‘
1. Turn the ignition switch to LOCK (0).
2. Reinstall all removed parts in the reverse order of removal.
3. Turn the ignition switch to ON (II).
4. Reset the PCM with the HDS See HOW TO TROUBLESHOOT THE A/T SYSTEM or HOW
TO TROUBLESHOOT THE FUEL AND EMISSIONS SYSTEMS .
ο‘
5. DO THE PCM IDLE LEARN PROCEDURE .
ο‘
6. Check for Pending or Confirmed DTCs with the HDS.
Confirmed
DTC
Pending
DTC
Freeze
Frame
DTC Description
P0463 FUEL LEVEL SENSOR (FUEL GAUGE SENDING
UNIT) CIRCUIT HIGH VOLTAGE
Is DTC P0463 indicated?
YES : Check for poor connections or loose terminals at the gauge control module and the fuel gauge sending
unit. If the PCM was updated, substitute a known-good PCM See PCM REMOVAL AND
INSTALLATION or PCM UPDATE , then recheck. If the PCM was substituted, go to step 1.
NO : Troubleshooting is complete. If the PCM was substituted, REPLACE THE ORIGINAL PCM . If any
other Pending or Confirmed DTCs are indicated, go to the indicated DTC's troubleshooting.
DTC P0496: EVAP SYSTEM HIGH PURGE FLOW DETECTED
Fig. 231: DTC Troubleshooting Flow Chart (P0496)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
2024 Honda CR-V Owner's Manual
2023 Honda CR-V Owner's Manual
2021 Honda CR-V Owner's Manual
2018 Honda CR-V Owner's Manual
2015 Honda CR-V Owner's Manual
